PERCENT APPLICATIONS Percent Applicationspv.pequannock.org/ourpages/auto/2014/5/5/48954567/percentapplicationnotes.pdfMay 05, 2014 · Find the percent of change from 1991 to 2001

PERCENT APPLICATIONS

Interest

*What it is*

*Where you see it*

*How to calculate it*

Percent Applications

Markup

Discount

Sales Tax

Tip

Commission

Interest


Interest

*What it is*

*Where you see it*


Percent Application Poster

~Definition

~Vocabulary Terms

~Real world examples

~How do you calculate

`


DISCOUNT*What it is*

*Where you see it*



Interest

*What it is*

*Where you see it*


Examples

Finding sale price

You buy an electronic organizer that is on sale for 15% off the original price of $25. What is the sale price?

Method 1:


Interest

*What it is*

*Where you see it*


Examples

Finding sale price

A pair of sneakers are on sale for 37 1/2% off the original price of $145.95. What is the sale price of the sneakers?

Method 1:


Interest

*What it is*

*Where you see it*


Examples

Find original price

Sale price: $150Discount percent: 25%

sale price = original price (100% - discount %)


Mark-up*What it is*

*Where you see it*



Interest

*What it is*

*Where you see it*


Examples

Finding retail priceA street vendor buys bracelets from a manufacturer for $7 each. The vendor marks up the price by 150%. What is the retail price?

Method 1:

Method 2:


Interest

*What it is*

*Where you see it*


Examples

A store marks up an item that costs $350 by 75%. A month later, the store puts the item on sale for 20% of the retail prices. What is the sale price of the item a month later?


Interest

*What it is*

*Where you see it*


Examples

finding original price

A furniture store marks up the wholesale price of a desk lamp by 80%. The retail price is $35. What is the wholesale price?

retail price = whole sale price (100% + mark-up %)


Sales Tax*What it is*

*Where you see it*



Interest

*What it is*

*Where you see it*


Examples

Find the sales tax/total price

You buy a pair of snow shoes for $180.50. There is a 7.5% sales tax rate. What is the total cost of the snow shoes?


Interest

*What it is*

*Where you see it*


Examples

The regular admission price to an amusement park is $28. You have a coupon for 25% off the regular admission. Find the total cost of admission to the park when the sales tax is 6%.


TIP*What it is*

*Where you see it*



Interest

*What it is*

*Where you see it*


Examples

Find the tip/total price

The bill for your meal at a restaurant is $22. You leave a 15% tip. Find the total cost of the meal.


Interest

*What it is*

*Where you see it*


Examples

Find total cost with tax and tip

The bill for your restaurant meal is $78.50. You leave an 18% tip and have to pay a 8% sales tax. How much is you total bill for the restaurant?


Interest

*What it is*

*Where you see it*


Examples


Commission*What it is*

*Where you see it*


`


Interest

*What it is*

*Where you see it*



Examples1. A retail salesperson sold $1,250 worth of clothes in the month of January. The monthly salary they earn is $755 and the commission rate is 2.5%. Find the total pay for the month of January.

2. Kent earns an 8% on all furniture sales. How much must he sell to earn a commission of $336?


Interest

*What it is*

*Where you see it*



Examples:

4. Felicia is working on commission. Her base salary is $1,810. Her total pay for this month was 4,987.45. Find the commission rate.

3. A salesperson at Central Autos earned a $765 commission on the sale of a $9000 car. What is the percent of commission?


Interest*What it is*

*Where you see it*



Simple Interest Examples1. Leah loans Ray $400 and charges him 3% simple annual interest. Ray promises to pay Leah back in two years. How much will Ray have to pay back in total?

2. Kendall loans Rose $500 and charges her 2% simple annual interest. Rose promises to pay Kendall back in 14 months. How much will Rose have to pay back in total?


Simple Interest Examples3. You deposit $250 into an account that earns 7.2% simple annual interest. After how many years will the account have a balance of $700?

4. Balance Principal Interest rate Time$1286.25 7.5% 3 years$2610.85 $2020 9%$3742.50 $3000 45 months


Compound Interest Examples1. You deposit $575 into a savings account that earns 4.6% interest compounded annually. Find the balance of the account after 4 years.

2. You deposit $900 into a savings account that earns 5.5% interest compounded annually. Find the balance of the account after 30 months.


More Simple Interest Practice~Find the unknown.1. A = 1993.60, P = 1600, r = 4.1%, t = _____

2. A = 1856.40, P = 1275, r = _____, t = 12 years

3. A = 9,306.20, P = _____, r = 7.7%, t = 26 years

4. A = 12,143.20, P = 4300, r = 5.7%, t = _____


Interest

*What it is*

*Where you see it*


http://www.mathgoodies.com/lessons/percent/sale_price.html

discount practice

http://www.mathgoodies.com/lessons/percent/sales_tax.html

sales tax practice

http://www.mathgoodies.com/lessons/percent/commission.html

Commission practice

interest practice

http://www.mathgoodies.com/lessons/percent/interest.html

http://www.mathgoodies.com/lessons/percent/sale_price.html

http://www.mathgoodies.com/lessons/percent/sales_tax.html

http://www.mathgoodies.com/lessons/percent/commission.html

http://www.mathgoodies.com/lessons/percent/interest.html


Interest

*What it is*

*Where you see it*


~Commision problems~

1. A car salesman sold a car worth 34,555. His commission rate is 4.2%. If the salesman makes a salary of $915, how much did the car salesman make?

2. A furniture sales person sold $22,000 worth of furniture. The salary for the sales person was $900 and her total pay was $2000. What was the commission rate?


Interest

*What it is*

*Where you see it*


~Answer percent word problems~

1. On a project for science class you earn 329 points. The grade you earned was a 94%. Find how many possible points there were for the project.

2. The Royal Opera Orchestra in London includes 13 musicians who play the viola. The musicians in the viola section make up 12 1/2% of the orchestra. How many musicians are in the Royal Opera House Orchestra?

3. In a class of 32 students, 6 students were absent on Monday. What percent of the students were absent on Monday?


Interest

*What it is*

*Where you see it*


~Answer percent word problems~

1. On a project for science class you earn 329 points. The grade you earned was a 94%. Find how many possible points there were for the project.

2. The Royal Opera Orchestra in London includes 13 musicians who play the viola. The musicians in the viola section make up 12 1/2% of the orchestra. How many musicians are in the Royal Opera House Orchestra?

3. In a class of 32 students, 6 students were absent on Monday. What percent of the students were absent on Monday?


Interest

*What it is*

*Where you see it*


~Answer the following questions~

1. This year, the enrollment at a school is 1080 students. Last year, the enrollment was 875 students. By what percent did the enrollment change from last year to this year?

2. In 1991, sporting good stores sold about $16 million in merchandise. In 2001, sporting good store sold about $30 million in merchandise. Find the percent of change from 1991 to 2001.

3. An antique ceramic pitcher is being sold at an online auction. The minimum bid is $125. At the end of the auction, the pitcher is sold for 288% above the minimum bid. What is the selling price of the pitcher?


Interest

*What it is*

*Where you see it*


~Answer the following questions~

1. The bill for your restaurant meal is $178.50. You leave an 18% tip and have to pay a 6% sales tax. How much is you total bill for the restaurant?

2. The wholesale price of a TV is $80.90. Best Buy marks up the TV 245%. For the holiday weekend, Best Buy discounts the TV 35%. Find the cost of the TV.

3. A snowboard that costs $285.95 is on sale for 20% off. There is a 6.5% sales tax. Find the cost of the snowboard.


Interest

*What it is*

*Where you see it*


~Find the original price~

1. Retail price: $50 Mark-up: 90%

2. Sale price: $150 Discount: 25%

3. Retail price: $24 Mark-up: 115%

4. Sale price: $210 Discount: 30%


Interest

*What it is*

*Where you see it*


~Percent Centers ~

1. House for Sale

2. Let's go Driving

3. Birthday Shopping

4. Percent Multiple Choice

5. Classzone.com - Eworkbook - Chapter 7 - lesson 7 (counts as classwork grade)


Interest

*What it is*

*Where you see it*


~Working Backwards ~

1. Jason has $1600 in a savings account that earns a 3.5% simple annual interest rate. How many years does Jason have to keep the money in the account to have a balance of $1670?

2. A necklace was sold in a store for $76.50. It was marked up 125%. What was the wholesale price?

3. A sweater was discounted 40%. It cost $32.40 after the discount. Find the original price.

4. The balance in your savings account is $757.70. The money was in the account for 4 years and earned a 2% simple annual interest. How much money was in the account orginally?

5. Bob is working on commission. His base salary is $1,180 per month. His total pay for the month was $3,473.20. If his sales for the month was $19,600, what was Bob's commission rate?


Interest

*What it is*

*Where you see it*


~Percent Centers ~

1. House for Sale

2. Let's go Driving

3. Birthday Shopping

4. Percent Multiple Choice

5. Classzone.com - Eworkbook - Chapter 7 - lesson 7 (counts as classwork grade)

Documents

PERCENT APPLICATIONS Percent Applicationspv.pequannock.org/ourpages/auto/2014/5/5/48954567/percentapplicationnotes.pdfMay 05, 2014 · Find the percent of change from 1991 to 2001