Homework Help: math

Posted by liza on Thursday, January 12, 2012 at 7:53pm.

A swimming pool is 25 meters x 15 meters. A concrete walk 2 meters is built around it. What is the area of a concrete walk?

math - Reiny, Thursday, January 12, 2012 at 8:35pm
outer dimensions would be 29 by 19 metres.
so area of walk
= 29(19) - 25(15)
= ...

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