SOLUTION: Don Williams uses his small motorboat to go 4 miles upstream to his favorite fishing spot. Against the current, the trip takes 1/3 hour. With the current the trip takes 1/6 hour.

Question 1102525: Don Williams uses his small motorboat to go 4 miles upstream to his favorite fishing spot. Against the current, the trip takes 1/3 hour. With the current the trip takes 1/6 hour.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Don Williams uses his small motorboat to go 4 miles upstream to his favorite fishing spot. Against the current, the trip takes 1/3 hour. With the current the trip takes 1/6 hour.
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With the current DATA:
dist = 4 mi ; time = 1/6 hr ; rate = 4/(1/6) = 24 mph
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Against the current DATA:
dist = 4 mi ; time = 1/3 hr ; rate = 4/(1/3) = 12 mph
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Find the speed of the current:
b + c = 24 mph
b - c = 12 mph
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2c = 12 mph
Current = 6 mph
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Cheers,
Stan H.
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