![oshawn108](/avatars/5247.jpg)
oshawn108
06.11.2019 •
Mathematics
2.4.5
question
a truck can be rented from company a for $
70
70 a day plus $
0.70
0.70 per mile. company b charges $
40
40 a day plus $
0.90
0.90 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.
Solved
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Ответ:
150 miles
Step-by-step explanation:
let m represent miles
$70 + .70m = $40 + .90m
subtract 40 from each side
$30 + .70m = .90m
subtract .70m from each side
$30 = .20m
divide both sides by .20
150 = m
Ответ:
x= -12
Step-by-step explanation:
Please see attached picture for full solution.