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3 votes
It takes Ernie 45 hours to paint the house alone. Silene can do it in 36 hours alone. How long

would it take them to paint the house together?

User Joseluis
by
7.9k points

1 Answer

4 votes
Therefore it takes
2.4

hrs
for Sally & John to paint the house together
User Cakeforcerberus
by
8.0k points