Question

A truck can be rented from Company A for ​$120 a day plus ​$0.50 per mile. Company B charges $80 a day plus ​$0.60 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for Company A and Company B are the same.

Answer 1

400

Explanation:

120 + .5x = 80 + .6x

subbtract .5x from each side

120 = 80 + .1x

then subtract 80 from each side

40 = .1x

finally divide by .1 on each side

400 =x