Asked by mary sue

the barge travels upstream 75.5 miles to the factory and then back to the warehouse.the barge travels upstream at a rate of 5 miles per hour slower than it travels downstream.the barge total time is 15 hours.what is the rate the barge travels downstream

Answers

Answered by Steve
If the downstream rate is x, then since time = distance/speed,

75.5/x + 75.5/(x-5) = 15
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