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4 December, 08:36

The local pizzeria sold 264 slices of pizza totaling $810.00. Cheese pizza costs $2.50 a slice and pepperoni pizza costs $3.25 a slice. How many slices of each pizza were sold? Let C represent cheese pizza and let P represent pepperoni pizza

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  1. 4 December, 08:38
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    The equations will look like this:

    (1) C + P = 264

    (2) $2.5 * C + $3.25 * P = $810

    Calculate from (1):

    C + P = 264

    P = 264 - C

    Lets put P into (2):

    $2.5 * C + $3.25 * P = $810

    $2.5 * C + $3.25 * (264 - C) = $810

    $2.5 * C + $858 - $3.25 * C = $810

    $2.5 * C - $3.25 * C = $810 - $858

    - $0.75 * C = - $48

    C = 64

    P = 264 - C

    P = 264 - 64

    P = 200

    Pizzeria sold 200 slices of pepperoni pizza and 64 of cheese ones.
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