A bowling alley charges its customers an hourly rate to bowl plus shoe rental. The hourly rates are per lane.
A linear model of this situation contains the values (2 , 37) and (3 , 54.25), where x represents the number of hours bowled on one lane, and y represents the total cost for bowling.
What is the rate of change in this linear model?
A.
$17.25 per hour
B.
$34.50 per hour
C.
$2.50 per hour
D.
$8.63 per hour