SOLUTION: the total distance travelled by a boat 1 hour upstream and 30 minutes downstream in which the rate of current is3 kph

Question 1149442: the total distance travelled by a boat 1 hour upstream and 30 minutes downstream in which the rate of current is3 kph
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
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Your thoughts in this post are of exceptional interest.

Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
Incomplete problem description

All you can do is maybe something like this:
Downstream speed r+3 for half hour;
Upstream speed r-3 for 1 hour;
Total distance,

And maybe simplify the expression to .
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