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amm1812
2 years ago
10

Sally can paint a room in 7 hours while it takes Steve 4 hours to paint the same room. How long would it take them to paint the

room if they worked​ together?
Mathematics
1 answer:
crimeas [40]2 years ago
4 0
The formula for this is
worker 1 * worker 2 / worker 1 + worker 2

7 * 4 / 7 + 4 =
28 / 11 =
2.54 hours


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