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Math Help - Need help with word problem containing fractions

  1. #1
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    Need help with word problem containing fractions

    The answer is C but I'm confused of how thats the answer. Can anybody explain this to me?
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  2. #2
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    Re: Need help with word problem containing fractions

    Total fabric is 3+ 1/2 = 7/2 yds Erica uses 2/3 of the fabric. 2/3 of fabric = 7/2 * 2/3 = 7/3 yds
    Fabric left = 7/2 - 7/3 = 7/6
    I think that should help
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  3. #3
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    Re: Need help with word problem containing fractions

    Equivalently, if Erica used 2/3 of the fabric, 1- 2/3= 1/3 of the fabric was left.

    3+ 1/2= 6/2+ 1/2= 7/2 as idbutt said and (1/3)(7/2)= 7/6= 1 and 1/6 yards left.
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  4. #4
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    Re: Need help with word problem containing fractions

    Why did we need to multiply the total fabric 7/2 with the fabric used 2/3??
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  5. #5
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    Re: Need help with word problem containing fractions

    Simple because Erica used only 2/3 of the cloth, that is why we multiply 7/2 with 2/3.
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