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Help required to solve algebra 1 homework

A boat covers a certain distance downstream in one hour, while it comes back in one and half hours. If speed of the stream be 3 kmph , what is the speed of the boat in still water?

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 84,712

Hi;

Let s = the speed of the boat in still water.

s = 15 km/hr

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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