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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?

Thanks

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**David****Member**- From: Bumpkinland
- Registered: 2014-04-23
- Posts: 3,089

15km/h

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 105,737

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.****If it ain't broke, fix it until it is.****No great discovery was ever made without a bold guess. **

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