Mathematics, 23.06.2021 06:20, nikoidurrant

A boat takes 1.6 hours longer to move up a 31 miles river than it takes to come down of
it iſ the current of the river is 4 miles per
hour, calculate the speed of the boat in still
waters.

Answers: 1

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A boat takes 1.6 hours longer to move up a 31 miles river than it takes to come down of
it iſ...