A marina charges $20 to rent a jet ski for 1 hour, plus $10 for every extra hour (or portion of an hour). In the illustration, h represents the number of hours and c represents the cost. Find the cost if the ski is used for 2.5 hours.
A) $40
B) $30
C) $45
D) $55
E) $60

Question

A marina charges $20 to rent a jet ski for 1 hour, plus $10 for every extra hour (or portion of an hour). In the illustration, h represents the number of hours and c represents the cost. Find the cost if the ski is used for 2.5 hours. 
A) $40 
B) $30 
C) $45 
D) $55 
E) $60

Quizplus · Accepted Answer

The Answer of A marina charges $20 to rent a jet ski for 1 hour, plus $10 for every extra hour (or portion of an hour). In the illustration, h represents the number of hours and c represents the cost. Find the cost if the ski is used for 2.5 hours. 
A) $40 
B) $30 
C) $45 
D) $55 
E) $60

A Marina Charges $20 to Rent a Jet Ski for 1