Rate and Ratio Conversions

If Justin can type 408 words in 4 minutes, how many words can he type per minute? (Find the unit rate!)

• 102 words per minute

• 100 words per minute

• 400 words per minute

• 412 words per minute

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

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80? (Hint: find the unit rate of both)

• The 12 pack of Coke

• The 6 pack of Coke

• Neither

• They are the same

Which of the following is the correct set-up to convert 2 qt/min to gal/sec?

Convert 60 ft/s to mi/h. (5280 ft = 1 mi and 3600 sec = 1hr)

• 60 mi/h

• 68 mi/h

• 9.7 mi/h

• 40.9 mi/h

Jorge’s printer can print 24 pages in 15 minutes. What is the rate of pages/minutes?

• 15 pages/ 24 minutes

• 12 pages/ 5 minutes

• 24 pages/ 15 minutes

• 15 minutes/ 24 pages

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

What is the unit rate for the following situation:

Your heart has 240 beats in 4 minutes.

Convert 24 mi/h to ft/s

• 35.2 ft/s

• 42.8 ft/s

• 56.8 ft/s

• 28.9 ft/s

If an object can travel 26 centimeters per second, what is its speed in meters per minute?

• 18.7 m/min

• 43.3 m/min

• 15.6 m/min

• 21 m/min