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irina1246 [14]
3 years ago
14

Working alone, it takes Julia 16 hours to clean an attic. Lea can clean the same attic in 15 hours. If they worked together how

long would it take them?
Mathematics
1 answer:
egoroff_w [7]3 years ago
7 0
How do you think we set this problem up?

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oksian1 [2.3K]
4n-3=4n-2  subtract 4n from both sides

-3=-2 

Since -3!=-2, there is no solution.

So your answer is a.
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Hope this helps :)
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