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The school had a bake sale to raise money. A group of 11 students bought either chocolate chip cookis for $.40 cents each or brownies for $.50 cents each. The total amount they spent was $5.10. How many chocolate chip cookies and brownies did they buy?

  • Math -

    I will assume that each of the 11 students bought either one cookie or one brownie.

    let the number of cookies be c
    then the number of brownies is 11-c

    solve this equation:
    40c + 50(11-c) = 510

    (let me know if you don't get cookies =4
    brownies = 7 ?)

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