6
algebra

A car rental costs $30/day plus $0.20/mile. If you spent $80 for one day, how many miles did you drive?

A

150

B

250

C

100

D

200

Correct Answer: B

Choice Ahoice D is the correct answer.

  1. Equation: 30+0.20x=8030 + 0.20x = 80
  2. Subtract 30: 0.20x=500.20x = 50
  3. Divide by 0.20: x=250x = 250

Choice Ahoice D is incorrect because calculation error.

Choice Ahoice B is incorrect because calculation error.

Choice Ahoice C is incorrect because calculation error.