Ratios Rates Conversions

You know that 12 inches = 1 foot.  Convert 60 inches to feet.

• 720 feet

• 5 feet

• 5 inches

• 72 feet

You know 16 cups = 1 gallon. Convert 3.5 gallons into cups.

• 56 cups

• 0.21875 cups

• 19.5 cups

• 48 cups

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

7 students were on their chromebook. 4 were doing their work and 3 were playing games. What is the ratio of students doing their work to students playing games?

• 2:6

• 5:6

• 3:4

• 4:3

In as Algebra 1 class there are 21 students in total. 18 of them did their homework. What is the ratio of students that did their homework to those that did not? Simplify your answer.

• 3/18

• 18/3

• 1/6

• 6/1

If Justin can type 408 words in 4 minutes, what is the unit rate of words to minutes?

• 102 words/1 minute

• 100 words/ 1 minute

• 400 words/ 1 minute

• 412 words/1 minute

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

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