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17 December, 13:21

Rachel offers to go to the bakery to buy cookies and cupcakes

for her coworkers. She buys a total of nine treats for $35.75. If

cookies cost $3.75 each and the cupcakes cost $4.25 each,

how many cookies, x and cupcakes, y did she buy? Express

your answer as an ordered pair (x, y).

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Answers (1)
  1. 17 December, 14:29
    0
    5 cookies, 4 cupcakes

    Step-by-step explanation:

    3.75x+4.25y=35.75

    x+y=9

    x=9-y

    3.75 (9-y) + 4.25y=35.75

    33.75-3.75y+4.25y=35.75

    0.5y=2

    y=4

    x=9-4=5
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