Rates and Ratio Review

What is a Ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

Ratios can be represented as...

(Select ALL answers that apply!)

• A/B

• A to B

• A : B

In a bouquet of​ flowers, there are 7 daisies and 19 roses. Write the ratio of daisies to roses in three different ways.

• 19 to 7, 19:7, 19/7
• 19 to 7, 7:19, 7/19
• 7 to 19, 7:19, 7/19
• 7 to 19, 19:7, 19/7

Which represents the relationship of oranges to total fruit?

• 2:6
• 2:4
• 4:6
• 4:2

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2:5
• 5:3
• 3:5
• 5:2

Simplify the ratio of
35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes
• 9 minutes
• 16 minutes
• 18 minutes

If it took 7 hours to mow 4 lawns, then at that rate how many lawns can be mowed in 35 hours? 

• 8 lawns in 35 hours
• 12 lawns in 35 hours
• 16 lawns in 35 hours
• 20 lawns in 35 hours

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?

• 475 cars per day
• 19 cars per day
• .05 cars per day
• 15 cars per day