Which situation represents linear proportional relationship?


a

A local health club charges an initial registration fee of $100 and $55 per month.

b

Landon makes $9.25 per hour working at an amusement park.

c

The entrance fee for a theme park is $45. Visitors purchase additional $1 tickets for rides.

d

Sally's dog started eating low-calorie food and is losing 1 pound per week. Sally's dog initally weighed 26 pounds.