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16 July, 16:38

Henry charged $847 to his credit card. The card the cost of his next purchase caused him to go over his credit limit of $1000.

If c = the cost In dollars of Henry's next purchase, which mathematical sentence expresses the information above?

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  1. 16 July, 17:44
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    (x-2) (x + 1) = (-2 - c)

    Step-by-step explanation:

    C = - 1 = - x

    We cna either multiply x and c until we find HCM before imputing x value and c value that is unknown variable.

    To find that we can say x = the average of 1000 + $800 = $900 and work out the difference between the two.

    We can use a new variable for half that difference to ensure we add or subtract to find the value 1000 or - 1000 again.

    So that $1000 - $847 = $153 half this difference is 2/3y so that 4/3 = $153 and 1/3 = 33.333 as we are working with 3 numbers then 1/3 or 2/3 for example could show a debit;

    Balance of each 1000 would look like

    2/3y + x + c

    = c + xy - y1/3

    to show smaller amounts for the last 2 debits.
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