SF - 7th Grade - Chapter 6 - Part 2

Use a Proportion

100

What percent of 84 is 63?

75%

200

40% of 150 is what number?

60

300

33 is 75% of what number?

44

400

35% of what number is 7?

20

500

What percent of 300 is 72?

24%

Percent of Change

100

The price of Nike shoes went from $129 to $179. What is the percent of increase?

Round to the nearest percent.

39%

200

The student population went from 108 students to 122 students. Find the percent of increase. Round to the nearest percent. 

13%

300

The shelter adopted out 60 animals in December. It adopted out 35 animals in January. What was the percent of decrease? Round to the nearest percent.

42%

400

A study of 300 people committed to limiting their smart phone usage. After 6 months, 207 reported that they had been able to limit their use successfully. What was the percent of decrease from the beginning?

31%

500

The 8th grade class of 2018 had 135 students. The 8th grade class of 2020 had 108 students. What is the percent of decrease?

20%

Percent of Application

100

Find the real estate commission on a house that sold for $415,000 if the commission is 3%. 

$12,450

200

Find a 20% tip on a meal that costs $22.50. 

$4.50

300

John's monthly salary is $1800. Each month he saves 11% of his salary. How much does he save each month?

$198

400

A store is having a sale of 30% off for all Nike brand items. What would the sale price be for a hoodie that originally costs $84?

$58.80

500

You bought some new leggings for $44.99. The sales tax at the register was 7%. What was your total cost?

$48.14

Part & Whole Word Problems OR Simple Interest

100

A school has 350 students. 20% of them went on a field trip. How many students went on the field trip?

70 students

200

Eighteen girls were in class. This was 75% of the class. How many kids were in class?

24 kids

300

The sale price for a coat was $165. This was 85% of the original price. What was the original price?

$194.12

400

I took out a loan of $12,000 at a interest rate of 4.5%. The loan is for 5 years. How much will I pay back in interest?

$2,700

500

I bought a car that cost $21,000. My interest rate was 3% for 7 years. How much will I pay in interest?

$4,410

Word Problems that require Common Sense

100

If 72% of the lemonade is water, how much of a 40 oz. bottle is water? 

28.8 oz. 

200

If 72% of lemonade is water, what percent is not water? 

How much of a 40 oz. bottle is not water? 

18%

7.2 oz.

300

A restaurant has a senior citizens discount of 25%. What percent of the regular price would a senior citizen pay? 

75%

400

How much would a senior citizen pay on a meal that costs $12 if they got a discount of 25%?

$9

500

Mary received a raise of 9% this year. If she made $33,000 before, what will her salary be next year?

$35,970