A family is taking a cross country trip by car. They drive at an average speed of 55/mi/h, and their goal is to travel at least 400 mi/day. How many hours per day do they need to drive?

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asked Apr 11, 2018 179k views

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A family is taking a cross country trip by car. They drive at an average speed of 55/mi/h, and their goal is to travel at least 400 mi/day. How many hours per day do they need to drive?

Mathematics
middle-school

Adam Byrtek asked

by Adam Byrtek

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$400mi * (1h)/(55mi) \approx 7.27h \ (exact:\ (80)/(11)\ or\ 7(3)/(11))$

Channel answered Apr 15, 2018

by Channel

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