Algebra
posted by Tom .
What system of equations do I use to solve the following question? A boat traveled 336 miles downstream and back. THe trip downstream took 12 hours. THe trio back took 13 hours. What is the speed of the boat in still water What is speed of the current?

(B+W)*12=336
(BW)*13=336
B is boat speed, W is water speed.
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