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Manny can paint the office​ by himself in 5 hours. Dave can do the same job in 8 hours. How long will it take them to do it working together?

Manny can paint the office​ by himself in 5 hours. Dave can do the same job in 8 hours. How long will it take them to do it working together?
asked 179k views
20 votes
Manny can paint the office​ by himself in 5 hours. Dave can do the same job in 8 hours. How long will it take them to do it working together?

asked
User Matthijs P
by
8.1k points

1 Answer

9 votes

Answer:

3 hrs 4.6 mins

Explanation:

1/5 + 1/8 = 1/x

x = 40/13

answered
User Tuana
by
7.9k points
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