Represent Ratios and Rates

What is the ratio for 24 girls to 12 boys?

• 12 to 24

• 24 to 12

• 2 to 1

• 1 to 2

Are the ratios equivalent? 12/4 and 24/8

• yes

• no

Are the ratios equivalent 2/3 and 15/18 ?

• yes

• no

Are the ratios proportional 11/22 and 22/33?

• yes

• no

Are the ratios proportional 2/3 and 10/15?

• yes

• no

Are the ratios equivalent? 12/17 and 10/15

• yes

• no

A __________ is a ratio that compares two quanities with different kinds of units.

• rate

• ratio

• unit rate

• percent

When a rate is simplified so the the denominator is 1.

• rate

• unit rate

• ratio

• percent

You buy 6 pounds for $42. How much does one pound cost?

• 6 dollars

• 6.5 dollars

• 7 dollars

• 8 dollars

Find the unit rate: 4 compact disc for $ 29.

• $ 6.34

• $ 7.25

• $7.29

• $ 8.11