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7 September, 09:34

You are buying a balloon for a party. A balloon costs $2. A large balloon coats $3. Write algebraic expression for the cost of x small balloons and y large balloons. Then find the total cost for 13 small balloons and 9 large balloons.

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  1. 7 September, 09:48
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    C (x) = 2x + 3y

    With C (x) equaling the total cost.

    Then you would plug in and solve.

    C (x) = 2 (13) + 3 (9)

    C (x) = 26 + 27

    C (x) = 53
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