Review

Find the solutions to the following problems…

1) 50 x .6

2) 20.4 x .2

3) 45.3 x 3.1

4) 53.2 x .25

Solutions

1) 50 x .6 = ○ 30

2) 20.4 x .2 =○ 4.08

3) 45.3 x 3.1 =○ 140.43

4) 53.2 x .25 = ○ 13.3

Discounts

A deduction or subtraction from a cost or a price.

50% off

20% off

Steps to Find the Total Cost After the Discount

Step 1:

Change the percent to a decimal by moving the decimal two places to the left. Example- 75%

○ .75Example- 100%

○ 1.00Example- 15%

○ .15

Step 2:

Multiply the cost of the item by this decimal. This is the money you will save from the

original price. Original price: $100.00 Discount: 25%= .25

100.00

x .25

25.00

Step 3:

Subtract the amount saved (Step 2) from the original price of the item.This is your total cost after the discount.

$100.00

- 25.00

$ 75.00

Example 1: Sneakers

Cost: $80.00Discount: 50%

Step 1:○ Convert the percent to a decimal.

50 %

50% = .50

Step 2:○ Multiply the cost by the decimal.

○80.00

x .50

40.00

Step 3: ○ Subtract the discount from the original cost.

$80.00- $40.00

$40.00

The total cost of the sneakers after a 50% discount is $40.00

Example 2:

A coat Cost: $46.60Discount: 25%

Step 1: Convert the percent to a decimal.

25%

25% = .25

Step 2: ○ Multiply the cost by the decimal.

46.60

x .25

11.65

Step 3:○ Subtract the discount (decimal) from the original

price.

$46.60

- 11.65

$34.95

The total cost of the coat after the 25% discount is $34.95

#1 Item: Sweatshirt

Cost: $ 25.00 Discount: 30%

Step 1:

30% = .30

Step 2:

25.00 x .30 = 7.50

Step 3:

$25.00 - $7.50 = $17.50

#2 Item: Couch

Cost: $239.00 Discount: 25%

Step 1:

25% = .25

Step 2:

239.00 x .25 = 59.75

Step 3:

$239.00 –$59.75 = $179.25

#3 Item: Jeans

Cost: $ 35.00 Discount: 15%

Step 1:

15% = .15

Step 2:

35.00 x .15 = 5.25

Step 3:

$35.00 - $5.25 = $29.75

#4 Item: MP3 Player

Cost: $110.00 Discount: 35%

Step 1:

35% = .35

Step 2:

110.00 x .35 = 38.50

Step 3:

$110.00 - $38.50 = $71.50

On a piece of paper please write down the steps to find the price of a good after the discount.

Steps:

1) Convert the percent discount to a decimal by moving the decimal two places to the right.

2) Multiply the original cost of the item by the decimal.

This is the money saved from the original cost.

3) Subtract the money saved from the original amount.

Tax

How much does a shirt for $15.00 cost with a tax of 7.75 %?

How much does an Ipod for $350.00 cost with a tax of 8%?