take them to do it together? Helio can paint a room in 8 hours. Julianne can do it in 6 hours. how long will it take them to do it together?
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05-17-2011, 08:20 PM #1
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Helio can paint a room in 8 hours. Julianne can do it in 6 hours. how long will it
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05-17-2011, 08:21 PM #2
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1/8+1/6=1/x
3/24+4/24=7/24
1/x=7/24
x=24/7
x= 3.4 hours to paint the house together
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