225 viewsMath :: BasicMath :: Pre Algebra
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If a boat goes downstream 72 miles in 3 hours and upstream 60 miles in 6 hours, the rate of the river and the rate of the boat in still water respectively are ________?

a. 7 &16 mph b. 7&17 c. 6 &17 mph d. 6 &18 e. none

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