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Tiana can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. If they decide to clear the field together, how long will it take them?
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Tiana can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. If they decide to clear the field together, how long will it take them?

User Mian Majid
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7.9k points

1 Answer

2 votes
1/3 + 1/2 = 1/x where x = time it takes working together

5/6 = 1 /x
5x = 6
x = 6/5

Its take 1 1/5 hours = 1 hour 12 minutes working together
User Trosborn
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7.8k points
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