Sammy’s T-Shirt Company charges a fixed rate for creating a T-shirt design, plus an additional charge for every T-shirt ordered. Bob paid $277.50 for 25 shirts, and Sandra paid $362.50 for 35 shirts. Which equation represents the cost to order x T-shirts?

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

47.28 or 47.2857143

step-by-step explanation:

you just divide 331 by 7 and you get that answer. ( i think so tho)