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11-11-2020
Mathematics

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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?

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netizenwebb netizenwebb

11-11-2020

Answer:

Tent: $145

Mattress: $65

Step-by-step 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

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