Help me understand this math p

FratBro23
Category:
Algebra
Price: $5 USD

Question description

Help me understand this math problem:

You need to paint several rooms in your house. You could paint these rooms in 4 hours by yourself. Or your friend, who is not as experienced, could paint the rooms in 10 hours by himself. If you both work on painting these rooms, how long will it take?

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(Top Tutor) Daniel C.
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