Amaurys C.

asked • 10/04/17

math problem, help

A truck can be rented from Company A for $100 a day plus $0.30 per mile. Company B charges $40 a day plus $0.40 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.

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Mark M. answered • 10/04/17

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m represents the number of miles
100 + 0.30m = 40 + 0.40m
 
Can you solve for m and answer?
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Amaurys C.

no i cant i dont know how
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10/04/17

Mark M.

100 + 0.30m = 40 + 0.40m
60 + 0.30m = 0.40m    subtract 40 from both sides
60 = 0.10m                  subtract 0.30m from both sides
600 = m                      divide both sides by 0.10   
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10/04/17

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