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

I have trouble solving word problems. Can you help me solve this problem?

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?

  • math - , Sunday, November 16, 2008 at 8:59pm

    Bobpursley already answered your question.

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

  • math - , Sunday, November 16, 2008 at 9:04pm

    How did you get 10/24 then 24/10?

  • math - , Sunday, November 16, 2008 at 9:09pm

    Remember: when dividing fractions, it is the same as multiplying by the inverse.

    s/(b/c)= ca/b

    so
    1/(10/24)= 24/10

  • math - , Sunday, November 16, 2008 at 9:19pm

    How did you get 10/24? Are you adding the fractions by useing the lease common denominator?

  • math - , Sunday, November 16, 2008 at 9:30pm

    Yes.

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