Question: You can paint a certain room in 5 hours. Your brother can do it in 4 hours. How long does it take the two of

You can paint a certain room in 5 hours. Your brother can do it in 4 hours. How long does it take the two of you working together? hours. Hint: Call a the number of hours it will take the two of you. Think about how much of the room you and your brother each can paint in one hour

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