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16 votes
16 votes
Bob can paint a house in 9 hours. Jim can paint it in 10 hours. How long would it take them to paint the house working together?​

User NikolaB
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1 Answer

16 votes
16 votes

Answer:

Well they are 2 possible answers. 10 - 9, and 10 + 9. I don't know what answers you can choose, and what operation you use but those were the only I got. I'm sorry if this didn't help.

Explanation:

User Mauro Aguilar
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