Answer:
Average Cost per game for 4 games is:
A) $4.75
Step-by-step explanation:
As the question is not complete, lets complete it first.
At the bowling Alley, shoe rentals cost $3 while a games costs $3. The expression that represents the average costs per game 'c' , in dollars, where n is the number of games, is:

To find average cost per game, for 4 games, simpli substitute n=4 into the given equation:

So Average Cost per game for 4 games is:
c = 4.75$
N would = 20, because 2x20=40 which is greater than 30
Answer:
a) n = 6765
b) n = 9604
c) n = 16590
Step-by-step explanation: