Ratios and Proportions Review

Which ratio below is proportional to the ratio   5/6?

• 6/5
• 50/75
• 25/30
• 12/10

Which ratio is proportional to the ratio   1/5?

• 2/5
• 2/10
• 5/1
• 15/20

Solve for a

• 29/12
• 41/12
• 107/12
• 13

Madeline ran 21.7 miles in 7 hours. What is the unit rate? 

• 21.7 miles per hour
• 3.1 miles per hour
• .32 miles per hour
• 21.7
  7

On a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?

• 175
• 185
• 200
• 220

Simplify the ratio of

20 to 25

• 1 to 5

• 2 to 5

• 3 to 5

• 4 to 5

Mr. Rowley has 16 homework paper and 14 exit tickets to return.  Ms Rivera has 64 homework papers and 60 exit tickets to return.  For each teacher. write a ratio of the homework to the exit tickets.  Are they equivalent?

• yes, the ratios are both 8 to 7.
• yes, the ratios are both 16 to 15 
• No, they are not equivalent

A frame is 9 in. wide and 6 in. tall.  If it is reduced to a width of 3 in.  then how tall will it be and what is the scale factor?

• 2 in; 1/3
• 12 in; 1/3
• 18 in; 3
• 3 in; 4.5

A 12-ounce bottle of shampoo lasts Enrique 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 Weeks
• 24-ounce bottle
• 10.6 Weeks
• 10.6-ounce bottle

About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many computers would you expect to have?

• 39 Computers
• 4.3 Homes
• 39 Homes
• 4.3 Computers