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28 August, 19:46

Karen spends 450 on monthly bills. of this total amount, 12% is for phone service, 1/10 is internet service, 2/9 is for utilities. id the rest of the amount is for food, how much does Karen have for

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  1. M
    28 August, 21:07
    0
    The complete question is:

    how much does Karen have for food?

    For this case, we have that the full amount of money is:

    12/100 + 1/10 + 2/9 + x = 1

    Where,

    x: fraction of money for food

    Clearing x we have:

    x = 1 - (12/100 + 1/10 + 2/9)

    Rewriting:

    x = 251/450

    Thus, the amount of money for food is:

    450 * x = 450 * (251/450) = 251

    Answer:

    Karen has for food а bout:

    $ 251
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