3 years ago

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?

1 answer:

7 0

$400mi \times \frac{1h}{55mi} \approx 7.27h \ (exact:\ \frac{80}{11}\ or\ 7\frac{3}{11})$

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