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Working alone, it takes Chelsea 13 hours to tar a roof. Ashley can tar the same roof in 9 hours. How long would it take them if they worked together?
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Working alone, it takes Chelsea 13 hours

to tar a roof. Ashley can tar the same roof
in 9 hours. How long would it take them
if they worked together?

User Simon Trichereau
by
9.0k points

1 Answer

4 votes

Answer:

24 hours

Explanation:

hoped this helped

User Massimiliano Arione
by
9.2k points
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