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11 February, 20:51

Suppose Emma spends 3 minutes more than twice the amount of time that Isabella spends on homework each day. Isabella spends 6 minutes less than Daniel does on homework. If they do homework for a total of 41 minutes all together, how much time does Emma spend on homework each day?

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  1. 11 February, 21:15
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    We let x = Emma's time working alone

    y = Isabella's time working alone

    z = Daniel's time working alone

    x = 3 + 2y

    y = z - 6

    x + y + z = 41

    3 + 2y + y + y + 6 = 41

    4y = 32

    y = 8 minutes

    x = 19 minutes

    z = 2 minutes
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