SOLUTION: one person waxes a typical car in 4 hours. A second Person can do the same labor in 6 hours time. How long will it take to wax a typical car if they work together?

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Question 278656: one person waxes a typical car in 4 hours. A second Person can do the same labor in 6 hours time. How long will it take to wax a typical car if they work together?
Answer by Alan3354(31538) About Me  (Show Source):
You can put this solution on YOUR website!
One person does 1/4 per hour, the other does 1/6 per hour.
Add them up, go from there.