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16 March, 11:18

Holly has $462 in her bank account and takes out $15 each week but does not put any back in. Write an equation/expression to represent the amount of money she has in her bank account.

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  1. 16 March, 11:45
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    Therefore required expression is

    y = 462 - t*15

    where y represents the amount of money in her bank account in dollar after t week.

    Step-by-step explanation:

    Given that,

    Holly has $462 in her bank account and takes out $15 each week but does not put any back in.

    She takes out $15 on first week.

    The remaining amount of her bank account is = $ (462-15)

    =$ (462 - 1*15)

    If she withdraws $15 on second week.

    The remaining amount of her bank account is = $ (462-15-15)

    =$ (462 - 2*15)

    Similarly after third the amount in her account is = $ (462 - 3*15)

    From the above it is cleared that

    The amount in her account after t week is

    =$ (462 - t*15)

    Therefore required expression is

    y = 462 - t*15

    where y represents the amount of money in her bank account in dollar after t week.
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