...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?
...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?
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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