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    Myhoang221's Avatar
    Myhoang221 Posts: 1, Reputation: 1
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    #1

    Feb 10, 2014, 08:07 PM
    Foundations for algebra year 2 RS - 138
    Mary was 4'3" tall and weighed 85 pounds at the beginning of last year. Now she is 15% taller and 5% heavier. What are her weight and height now? Please have a proportion and show work in your answer. Thank you
    smoothy's Avatar
    smoothy Posts: 25,492, Reputation: 2853
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    #2

    Feb 10, 2014, 08:12 PM
    Announcements - Homework Help
    neodarwinian's Avatar
    neodarwinian Posts: 74, Reputation: 1
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    #3

    Feb 11, 2014, 06:42 PM
    This is year two algebra?!

    This simple arithmetic problem can be solved with the converse of the percentages given. Simple division.
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    burgess87 Posts: 40, Reputation: 2
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    #4

    Jul 16, 2014, 11:56 PM
    suppose we have a number x and it is increased by 20% so the x becomes (100+20)x/100 = 120x/100, if it is decreased by 20% so the x becomes (100-20)x/100 = 80x/100. Please use this fundamentals to solve your problem
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