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Mathematics, 05.10.2019 01:00 ineedhelp368

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?
a. 50 minutes
b. 1 hour 5 minutes
c. 1 hour 12 minutes
d. 5 hours

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