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23-04-2021
Mathematics

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Stevie can refinish a driveway in 4 hours. Ray can refinish the same driveway in 3 hours. Princess can refinish the same driveway in 2 hours. If all three work together, how long would it take them to refinish 5 driveways? Show all work

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23-04-2021

Answer: 45 because 4+3+2=9 and 9x5=45

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