Robert rented a truck to transport materials he purchased from a hardware store. He was charged an initial fee of $20.00 plus an additional $0.70 per mile driven. If the truck was driven 38 miles, what was the total amount Robert was charged?
A
$46.60
B
$52.90
C
$66.90
D
$86.50
Correct answer: A
Explanation
Choice A is correct. It’s given that Robert was charged an initial fee of $20.00 to rent the truck plus an additional $0.70 per mile driven. Let m represent the number of miles the truck was driven. Since the rental charge is $0.70 per mile driven, represents the amount Robert was charged for m miles driven. Let c equal the total amount, in dollars, Robert was charged to rent the truck. The total amount can be represented by the equation . It’s given that the truck was driven 38 miles, thus . Substituting 38 into the equation gives . Multiplying gives . Adding these values gives , so the total amount Robert was charged is $46.60.
Choices B, C, and D are incorrect and may result from setting up the equation incorrectly or from making calculation errors.
SAT® and PSAT/NMSQT® are trademarks registered by the College Board, which is not affiliated with, does not sponsor, and does not endorse this project.
id cb_question_bank:e943ee07-f7ec-4591-936a-1dab00a6df28 · question 1ecaa9c0 · IBN 029367-DC
· JSON