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Peter can paint a house in 10 hours. Melanie can paint the same house in 9 hours. How long would it take if they worked together?

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Peter can paint a house in 10 hours. Melanie can paint the same house in 9 hours. How long would it take if they worked together?

Answer : about 4.7 hours

Answer:

SOLUTION: It would take about 4.7 hours if they worked together.

Step-by-step explanation:

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