Asked by Anonymous
A grain barge travels on a river from point a to point b unloading and loading again. The barge travels 5mph relative to water. the river flows downstream at a rate of 1mph. if the trip upstream takes 2hrs longer than the trip downstream how far is it from point a to point b
Answers
Answered by
Steve
since time = distance/speed, we have
d/(5-1) = d/(5+1) + 2
d = 24
d/(5-1) = d/(5+1) + 2
d = 24
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