Need help with boat in river problem!

Wombos

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Sep 26, 2011
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The problem says " A boat can travel 17 miles downstream in the same time it takes it to travel 13 miles upstream. If the boat's speed is 45mph in still water, what is the speed of the current?"

I'm trying to help my boyfriend with his math, but it's been so long since I took math I dont remember alot of this stuff. I've looked all over the internet for a similar problem, but haven't found anything close enough. Thank you very much for your help!
 
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