Which scenario represents a proportional relationship? Question 2 options:

Bob is a bellhop at the hotel and makes $12.50 per
hour plus tips.

Richard works at a Fire Department and earns $15.00 per hour.

Mr. Bridges has a plumbing business and charges $45.00 an hour plus
a $11.00 service fee.

Sally works at Build-a-Bear Workshop and creates cute, cuddly
stuffed animals. She earns $10.00 per hour and accepts tips.