Mathematics, 04.03.2021 21:20 xthatshepoxy

Phoebe and Rachel can complete a U. S. History group presentation in hours. Joey and Chandler can complete the same presentation in hours. If their teacher allowed all four of them to work together, how long would it take them to complete their presentation?

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Phoebe and Rachel can complete a U. S. History group presentation in hours. Joey and Chandler can co...

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