$3.00 detailed answer, algebra 2 word problem
In still water, a boat averages 20 miles per hour. It takes the boat the same amount of time to travel 50 miles downstream, with the current, as 30 miles upstream against the current. What is the rate of the water's current? I am looking for a detailed answer so i can understand how to solve the question myself please do not send just the answer!
Preview: ... nt. You know that speed=distance/time => time=distance/speed. When the boat travells with the cur ...
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- Posted on Mar 10, 2011 at 9:20:50PM
Preview: ... n by multiplying both sides by (20+C)*(20-C) 50mi / (20 + C) = 30mi / (20 - C) (50*(20+C)*(20-C)) / (20+C) = (30*(20+C)*(20-C))/(20-C) Some of the terms cancel out (50 * ( 20+C) * (20-C)) / (20+C) = (30 * (20+C) * ...
The full tutorial is about 200 words long .