15 + 16 + 15 + 8 + 6 = 60 divided by 5 = 12
Answer is D
Answer : The cost of 10 balls will be, 13.5 dollars
Step-by-step explanation :
As we are given the following expression:

where,
P = total price (in dollars)
n = number of balls used
Given:
n = number of balls used = 10
Now we have to determine the cost of 10 balls.




Thus, the cost of 10 balls will be, 13.5 dollars
Answer:
35
Step-by-step explanation:
THE EQUATION TO THIS PROBLEM IS y=2x+12