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March 29, 2015

March 29, 2015

Posted by **Becky** on Sunday, November 16, 2008 at 8:53pm.

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take both of them to paint the house together?

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**Ms. Sue**, Sunday, November 16, 2008 at 8:59pmBobpursley already answered your question.

http://www.jiskha.com/display.cgi?id=1226828150

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**Becky**, Sunday, November 16, 2008 at 9:04pmHow did you get 10/24 then 24/10?

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**bobpursley**, Sunday, November 16, 2008 at 9:09pmRemember: when dividing fractions, it is the same as multiplying by the inverse.

s/(b/c)= ca/b

so

1/(10/24)= 24/10

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