Chapter 23Chapter 23ReviewReview

Adv. MathAdv. Math

Find the % of the number.Find the % of the number.

75% of 12075% of 120

Find the % of the number.Find the % of the number.

75% of 12075% of 120

.75 x 120 = 90.75 x 120 = 90

Find the % of the number.Find the % of the number.

30% of 5030% of 50

Find the % of the number.Find the % of the number.

30% of 5030% of 50

.30 x 50 = 15.30 x 50 = 15

Find the % of the number.Find the % of the number.

6% of 3006% of 300

Find the % of the number.Find the % of the number.

6% of 3006% of 300

.06 x 300 = 18.06 x 300 = 18

Write a Write a percent proportionpercent proportion to solve the following:to solve the following:

75 is what percent of 75 is what percent of 250250

Write a Write a percent proportionpercent proportion and and solve the following:solve the following:

75 is what percent of 25075 is what percent of 250

7575 = = xx250 100250 100

30%30%

Write a Write a percent proportionpercent proportion and solve the following:and solve the following:

9 is 45% of what 9 is 45% of what numbernumber

Write a Write a percent proportionpercent proportion and and solve the following:solve the following:

9 is 45% of what number9 is 45% of what number

99 = = 4545 x x 100100

2020

Write a Write a percent proportionpercent proportion and solve the following:and solve the following:

What What is 20% of 60is 20% of 60

Write a Write a percent proportionpercent proportion and and solve the following:solve the following:

What What is 20% of 60is 20% of 60

xx = = 2020 60 60 100100

1212

Find the Find the sale price:sale price:

Regular Price is $150Regular Price is $150Discount Rate is 30% Discount Rate is 30%

Find the Find the sale price:sale price:

Regular Price is $150Regular Price is $150Discount Rate is 30% Discount Rate is 30%

$150 x .30 = $45$150 x .30 = $45$150 - 45 = $105$150 - 45 = $105

Find the Find the sale price:sale price:

Regular Price is $342Regular Price is $342Discount Rate is 25% Discount Rate is 25%

Find the Find the sale price:sale price:

Regular Price is $342Regular Price is $342Discount Rate is 25% Discount Rate is 25%

$342 x .25 = $85.50$342 x .25 = $85.50$342.00 - 85.50 = $342.00 - 85.50 =

$256.50$256.50

Find the Find the discount rate:discount rate:

Regular Price is $15Regular Price is $15Sale Price is $13.50Sale Price is $13.50

Find the Find the discount rate:discount rate:

Regular Price is $15Regular Price is $15Sale Price is $13.50Sale Price is $13.50

$15 - 13.50 = $1.50$15 - 13.50 = $1.501.50 ÷ 15 = 10%1.50 ÷ 15 = 10%

Find the Find the total cost total cost of the of the purchase:purchase:

Regular Price is $129Regular Price is $129Sales Tax is 6%Sales Tax is 6%

Find the Find the total cost total cost of the of the purchase:purchase:

Regular Price is $129Regular Price is $129Sales Tax is 6%Sales Tax is 6%

$129 x .06 = $7.74$129 x .06 = $7.74$129 + $7.74 = $129 + $7.74 =

$136.74$136.74

Find the Find the total cost total cost of the of the purchase:purchase:

Regular Price is $1,500Regular Price is $1,500Sales Tax is 5%Sales Tax is 5%

Find the Find the total cost total cost of the of the purchase:purchase:

Regular Price is $1,500Regular Price is $1,500Sales Tax is 5%Sales Tax is 5%

$1,500 x .05 = $75$1,500 x .05 = $75$1,500 + 75 = $1,575$1,500 + 75 = $1,575

Paul is buying a pair of Paul is buying a pair of boots that regularly sells boots that regularly sells for $50 and is on sale at a for $50 and is on sale at a

20%20% discountdiscount. If Paul . If Paul buys the boots at the sale buys the boots at the sale price and pays price and pays 5% sales 5% sales

taxtax, what is the , what is the total cost total cost of his purchase?of his purchase?

$50 x .20 = $10$50 x .20 = $10$50 - 10 = $40$50 - 10 = $40

$40 x .05 = $2$40 x .05 = $2

$40 + 2 = $40 + 2 = $42.00$42.00

Practice, Practice,

Practice, Practice,

Practice! Practice!