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March 26, 2017

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erin ate 1/4 of heer cookies for snack.she had 18 left in her bag. how many did she have in the bag before she had her snack?
erin ate 12 more cookies .what is the fraction total she has eatened now ?
what is the precentage of what she has eatened now?
need alll those answers in 10 min.

  • math - ,

    Erin has X cookies.

    Bal. = X - X/4 = 3X/4.

    3X/4 = 18,
    3X = 72,
    X = 24 Cookies remaining.

    Bal. = 18 - 12 = 6 cookies left.

    (24 - 6) / 24=18/24 = 3/4 = 0.75 = 75%

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