1.5 #28 - Please help me solve this!!

Algebra
Tutor: None Selected Time limit: 1 Day

Traveling at full speed on a river, it takes 2 hours for a motor boat to travel 8 miles downstream and 4 miles back upstream. if the current's speed is 2 mph, what is the maximum speed of the boat in still water?

Oct 3rd, 2015

Thank you for the opportunity to help you with your question!

Going upstream the boat goes 8 miles in two hours or 4mph. Going downstream the boat goes 4 miles in 2 hours or 2mph. So knowing this I would say in still water the boat should have a  maximum speed of 3mph.  I do not think the current's speed affects the problem.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 18th, 2015

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Oct 3rd, 2015
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Oct 3rd, 2015
Dec 10th, 2016
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