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September 21, 2014

September 21, 2014

Posted by **Diane** on Sunday, April 4, 2010 at 11:31pm.

- math -
**DrBob222**, Sunday, April 4, 2010 at 11:48pmI solve these by the following:

1 house/4 hours = 0.25 house/hr.

1 house/6 hours = 0.157 house/hr.

If they paint together they will have those combined or

0.25 house/hr + 0.167 house/hr = 0.417 house/hour.

or 1/0.417 hours/house = 2.4 hours.

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