Constant of Proportionality Word Problem

In 25 minutes Li can run 10 laps around the track. Determine the number of laps she can run per minute. What is the constant of proportionality?

• 2/5

• 2.5

• 250

• 35

It costs $15 to send 3 packages through a certain shipping company. Consider the number of packages per dollar. What is the constant of proportionality?

• 1/5

• 5

• 45

• 18

Neveah pays $21 to park her car for 20 hours. The parking lot charges an hourly parking rate. What equation (expressed as y=kx) could be used to calculate the total cost of parking for x hours?

• y=(21/20)x

• y=(20/21)x

• y=20x

• y=21x

• y=(17/21)x

Aaliyah pays $25 to park her car for 18 hours. The parking lot charges an hourly parking rate. What equation (expressed as y=kx) could be used to calculate the total cost of parking for x hours?

• y=(25/18)x

• y=(18/25)x

• y=18x

• y=25x

• y=(15/25)x

Tyquasia pays $16 to park her car for 11 hours. The parking lot charges an hourly parking rate. What equation (expressed as y=kx) could be used to calculate the total cost of parking for x hours?

• y=(16/11)x

• y=(11/16)x

• y=11x

• y=16x

• y=(8/16)x

Tyquasia pays $12 to park her car for 8 hours. The parking lot charges an hourly parking rate. What equation (expressed as y=kx) could be used to calculate the total cost of parking for x hours?

• y=(12/8)x

• y=(8/12)x

• y=8x

• y=12x

• y=(5/12)x

Neveah pays $11 to park her car for 5 hours. The parking lot charges an hourly parking rate. What equation (expressed as y=kx) could be used to calculate the total cost of parking for x hours?

• y=(11/5)x

• y=(5/11)x

• y=5x

• y=11x

• y=(2/11)x

Tyquasia pays $25 to park her car for 21 hours. The parking lot charges an hourly parking rate. What equation (expressed as y=kx) could be used to calculate the total cost of parking for x hours?

• y=(25/21)x

• y=(21/25)x

• y=21x

• y=25x

• y=(18/25)x

Kyshai pays $22 to park her car for 14 hours. The parking lot charges an hourly parking rate. What equation (expressed as y=kx) could be used to calculate the total cost of parking for x hours?

• y=(22/14)x

• y=(14/22)x

• y=14x

• y=22x

• y=(11/22)x

Kyshai pays $14 to park her car for 5 hours. The parking lot charges an hourly parking rate. What equation (expressed as y=kx) could be used to calculate the total cost of parking for x hours?

• y=(14/5)x

• y=(5/14)x

• y=5x

• y=14x

• y=(2/14)x