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4 July, 11:15

Quinn can type a report in 3 hours and his older sister takes 5 hours to type the same report. Working together, how long should it take them to complete the task?

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  1. 4 July, 14:49
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    1.87 Hours

    Step-by-step explanation:

    Using simple formula for these type of problems

    A*B/A+B

    where A = 3 hours and B = 5 hours.
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