Question

Suppose 8x + 16 ice cream cones

were sold on Saturday and 7x - 9
were sold on Sunday. What is the total
number of ice cream cones sold?
A x + 7
B 152 +7
C 152 + 25
D 2 + 25

Answer 1

B. 152 + 7

Explanation:

(8x + 16) + (7x - 9)

8x + 16 + 7x - 9

15x + 16 - 9

15x + 7

None of these options have this answer, so we see A and B:

A. x + 7

B. 152 + 7

It can't be A because we have 15x and A is x + 7

By process of elimination we have B. 152 + 7

x = 10 and 2/15