math

Glenda wrote 1/7 of her paper on Monday, 1/14 of her paper on Tuesday, and 2/28 of her paper on Wednesday. She said she wrote more than half of her paper. Is she correct? why or why not?

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  1. ( 1 / 7 ) * 4 / 4 = 4 / 28

    ( 1 / 14 ) * 2 / 2 = 2 / 28


    1 / 7 + 1 / 14 + 2 / 28 =

    4 / 28 + 2 / 28 + 2 / 28 =

    8 / 28 =

    4 * 2 / ( 4 * 7 ) =

    2 / 7 = 0. 2857 = 28.57 %


    She wrote less than half of her paper becouse :

    1 / 2 = 50 %

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    posted by Bosnian

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