SOLUTION: reem rowed her boat across lake dukan and back again in 3 hours if her speed coming back was 2km/h less than her speed going and if the distance each way was 7 km find her speed go

Question 1101020: reem rowed her boat across lake dukan and back again in 3 hours if her speed coming back was 2km/h less than her speed going and if the distance each way was 7 km find her speed going and her speed coming back
Answer by josgarithmetic(39628) (Show Source): You can put this solution on YOUR website!

            SPEED      TIME    DISTANCE

GOING         r        7/r       7

RETURN       r-2       7/(r-2)   7

Total                   3

Solve for r and evaluate r-2.
-
algebra steps should lead to ;

------speed GOING
(May need rechecking)
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