Proportions Review

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

• 175
• 185
• 200
• 220

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

6. AMUSEMENT PARKS The waiting time to ride a roller coaster is 20 minutes when 150 people are in line. How long is the waiting time when 240 people are in line?

• 32 People
• 32 Min.
• 12.5 Min.
• 12.5 People

Which of the given graphs represents a proportional relationship?

• A
• B
• C
• D

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Does the table represent a proportional relationship?

• Yes.
• No.

Name the constant of proportionality.

• 8
• 16
• 6
• 3

In San Diego, the weather was sunny 83% of the days this past June.  How many days was it sunny? (June has 30 days.  Round your answer.)

• 22 - the kitchen
• 23 - the laundry room
• 25 - the guest bedroom
• 26 - the closet

Does the table represent a proportional relationship?

• Yes.
• No.