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Mathematics 19 Online
OpenStudy (anonymous):

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 40 mi/ day. How many hours per day do they need to drive?

OpenStudy (campbell_st):

well I think you need to check how many miles they want to travel per day... perhaps it's at least 400 miles per day

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