Question

Ken bought x boxes of cookies to bring to a party. Each box contains 18 cookies. He decides to keep two boxes. He brings 108 cookies to the party. Which equation can be used to find the number of boxes Ken bought?

A) 18x + 36x = 108
B) 18x − 36x = 108
C) 18x + 36 = 108
D) 18x − 36 = 108

Answer 1

D) 18x − 36 = 108

Explanation:

18x − 36 = 108 When solved for x, 18x − 36 = 108 → x = 8.

Answer 2

D

Explanation:

The number of total cookies he has is 18x or 18 cookies times x boxes.

Since he leaves 2 boxes at home then this is 2*18 = 36.

The number of cookies he takes is 108.

So the total minus 36 is 108.

This is written as 18x - 36 = 108