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A motor boat travels 180 miles in 5 hours going upstream. It travels 260 miles going down stream in the same amount of time. What is the rate of the boat in still water a and what is the rate of the current .

 Feb 23, 2020
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180 m / 5 hr   =   B - C       or    180 = 5B - 5C

260 m/  5 hr   =   B + C      or    260 = 5B + 5C

 

Add the two red equations to solve for  'B'  ..... you should be able to solve for 'C'   from there.....   

 Feb 23, 2020

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