A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is: - Study24x7
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Kritima paliwal
31 Jan 2020 11:50 AM study24x7 study24x7

A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is:

A

2 mph

B

2.5 mph

C

3 mph

D

4 mph

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