SOLUTION: a man paint a house in 4 days and his son paint the house in 6 days. how many days will both take to paint the house if they work together ?

Question 993577: a man paint a house in 4 days and his son paint the house in 6 days. how many days will both take to paint the house if they work together ?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
d, how many days if both work together

Rates are additive for agents together, and rate should be arranged in unit .

Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
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