ratios, rates, tables quiz review

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 5 to 12

• 7 to 12

Simplify the ratio of 35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

What is a Ratio?

• It's a comparison of two things

• Multiplying two fractions 

• A number over another number

• Two decimals that can be multiplied

What are the three ways to write a ratio?

• 2;3 , 2 to 3 , 2\3

• 2:3 , 2 to 3 , 2/3

• 2:3 , 2 too 3 , 2/3

In Amalie's home town, the ratio of cars to people is 420 to 1000. What fraction shows this ratio in simplest form?

Cindy and Sarah were in charge of selling tickets to the class play. Cindy sold 21 tickets and Sarah sold 77 tickets. What is the ratio of the number of tickets Cindy sold to the number of tickets Sarah sold?

• 12 to 77

• 21:77

• 3 to 7

• 7:11

Find the unit rate 582 km in 6 h

Find the unit rate $6.80 for 9 muffins

Find the unit rate 413 km in 7 hours

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar