Question

Jimmy saw a tent which was $15 more than twice the cost of an air mattress. The total of both was $210. What was the cost of the tent and the air mattress?

Answer 1

Tent: $145

Mattress: $65

Explanation:

Tent: 2x + 15

Mattress: x

2x + 15 + x = 210

3x + 15 = 210

3x = 195

x = 65

Tent: 2x + 15 = 2(65) + 15 = 145

Mattress: x = 65