Answer:
8
Explanation:
Multiply 5 to the Cheese Puffs, Tortilla Chips and Potato Chips.
25 x 5 = 125
35 x 5 = 175
40 x 5 = 200
They add up to 500.
After that, put potato chips as a numerator and the total of chips people are purchasing as a denominator.
40/500 = 0.08
0.08 x 100 = 8
(Final answer)