Rates and Ratios

To find the missing value in the ratio, do we need to scale up or down?
1                 5
---  =         ----
3                ?

• up (multiply)
• down (divide)

Jenny has 3 guitars. Steve has 4 guitars. If the ratio of guitars is 4:3, who is first in the ratio?

• Jenny
• Steve
• Order doesn't matter
• Jeremy

Write the following ratio as a fraction in simplest form: 15 roses out of 24 flowers.

• 15/24
• 5/8
• 3/4
• 3/8

Determine if the ratios are equivalent.
4/5 and 15/20

• Yes
• No

Find the unit rate.
Julio bikes 5 miles in 20 minutes on the Walkway over the Hudson.  How many miles per minute does Julio bike?

• 2.5 miles per minute
• 0.25 miles per minute
• 0.25 miles per hour
• 2.5 miles per hour

You can buy 12 cookies for $6. What is the unit rate  for the cost of each cookie?

• $ 2.00 for each cookie
• $ 0.50 for each cookie
• $ 0.60 for each cookie
• $ 0.20 for each cookie

Movie ticket sales are as follows:
Adult: 20 tickets for $250
Child: 15 tickets for $71.25
Senior: 5 tickets for $37.50
How much does one (1) SENIOR ticket cost?

• $7.00
• $0.13
• $32.50
• $7.50

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

A store sees 120 customers in 12 hours. What is the unit rate (in customers per hour)?

• 6 customers per hour
• 10 customers per hour
• 12 customers per hour
• 20 customers per hour

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