SOLUTION: a boat rows 10.5 mi downstream with the current at 1.5 hrs. the return trip upstream against the current covered the same distance but took 3.5 hrs. Find the crew rowing rate in st

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Question 460870: a boat rows 10.5 mi downstream with the current at 1.5 hrs. the return trip upstream against the current covered the same distance but took 3.5 hrs. Find the crew rowing rate in still water and the rate of the current
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
1.5*(r+c)=10.5
3.5(r-c)=10.5
r=5
c=2