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9 January, 18:36

John can wash a car in 10 minutes. Brad can wash the same car in 8 minutes. How long will it take them if they work together to wash a car?

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Answers (2)
  1. 9 January, 19:02
    0
    9 min

    Step-by-step explanation.

    half of ten is 5 and half of 8 is 4 and 4 + 5 = 9
  2. 9 January, 22:00
    0
    9⁄40 minute

    Step-by-step explanation:

    ⅛ + ⅒ → 5⁄40 + 4⁄40 = 9⁄40 [Find the Least Common Denominator (LCD), which is 40]

    You add these proportions together to get a "'together' time".

    I am joyous to assist you anytime.
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