Chapter 2 Test

Ratios

100

In class 5 there are 2 girls for every 3 boys. There are 30 children in the class. How many girls are there?

There are 12 girls

200

Simplify 24:32

3:4

300

A Recipe for pancakes uses 10 cups of flour and 5 cups of milk. What is the ratio of flour to milk?

2:1

400

What are some other ways you can say/write a ratio

to, /, :

500

the height to width ratio of the Indian Flag is 2:3 inches. What does this mean?

For every 2 inches of height, there should be 3 inches of width.

Taxes & Interest

100

 Ruby bought some clothes that cost $50. Sales tax in her state is 10%. How much is the sales tax?

$5

200

P = $1800    R = 5%     T = 1 year

$90, $1890

300

The lady had spilled juice and covered 3/4 of her table and wanted a napkin so she bought one for 20 dollars. The sales tax was 20%. She left the store rambling on about their horrible service, she wants to know how much she spent that day, she finally cleaned her table but there was a bad smell. 

25$

400

 P = $2600       R = 12%       T = 3 years

$936, $3536

500

FREEBIE. 

Nevermind, Ryan bought a surfboard that costs $200. Sales tax is 12%. How much is the sales tax? 

Percent Change

100

Jessica owned 135 books. She decided to donate 12 of her books to the library. Find the percent of change in Jessica’s book collection.

200

Blank

300

UNIT RATE QUESTION: It costs $3.99 for 25 fl. oz. of detergent or $6.99 for 90 fl. oz. Which is a better buy

6.99

400

The high school’s enrollment changed from 1600 students to 1925 students. Find the percent of change in enrollment.

 20.31

500

Steve drives 78 miles on 3 gallons of gas. Find the miles per gallon.

26