Afisherman can row upstream at 2 mph and downstream at 8 mph. he started rowing upstream until he got tired and then rowed downstream to his starting point. how far did the fisherman row if the entire trip took 7 hours?

The fisherman rowed a total of 22.4 miles.

Explanation

Suppose, the distance from his starting point to the turn around point is mile.

Given that, upstream speed is 2 mph and downstream speed is 8 mph.

We know that,  

So, the time required to row miles upstream  hours and the time required to row miles downstream  hours.

As the entire trip took 7 hours, so the equation will be......

So, the fisherman rowed a total of (11.2×2) miles = 22.4 miles

step-by-step explanation:

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answer by yourhope:

hi! : )

a farmer that lived in ancient egypt would most likely be barried in the sand, in the desert!

: )