a fisherman can row up stream at 2 mph and down stream at 8 mph. He started rowing up stream until he was tired and then rowed down stream to his starting point. how far did the fisherman row if the entire trip took 2 hour?

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:

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

17.08

correct me if i am wrong.