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14 November, 18:45

he amount of money left in Alma's bank account is expressed by the linear equation y = - 27x + 577, where x represents the number of weeks and y represents the amount of money left in her account. After how many weeks will Alma have $145 left in her account?

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  1. 14 November, 18:59
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    After 16 weeks she will have 145 dollars left in her account.

    Step-by-step explanation:

    since 145 represents the amount of money in her account we will substitute that for "y" and solve for "x"

    145=-27x+577

    145-577=-27x

    -432=-27x

    -432/-27 = - 27x/-27

    16=x
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