Robert rented a truck to transport materials he purchased from a hardware store. He was charged an initial fee of

Question

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

Accepted Answer

Choice A is correct. It&rsquo;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&rsquo;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.

Question robert