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Math Help - Grade six testing is tomorrow

  1. #1
    Newbie zozo's Avatar
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    Red face Grade six testing is tomorrow

    Oh goodness, grade six testing is tomorrow and I need this information by tomorrow at 7:00 a.m.And I got 50% on my last test Please help.

    How to find the discount price,
    How to change a decimal to a fraction,
    Write equivalent fractions with like denominators,
    Find out the unit rate,
    Find the sale price (e.g. $24.75-20% off)
    Write a ratio in 3 ways
    Order fractions (improper, proper and mixed numbers)
    Calculate the percent of fractions



    If I dont get help Im DOOMED!!!!!
    Last edited by zozo; June 4th 2006 at 05:49 PM.
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  2. #2
    MHF Contributor Quick's Avatar
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    Answers

    You should really try to figure this out by yourself, but anyway:

    amount discount =  b \cdot d
     b =beginning price
     d =percent discount (in decimal form)

    decimal to fraction: example:  0.5=\frac{5}{10}=\frac{1}{2}
    or
     0.25=\frac{25}{100}=\frac{1}{4}

    equivalent fractions with like denominators: turn the decimal into a fraction and don't simplify.

    price after discount =  b \cdot (1-d)
     b =beginning price
     d =percent discount (in decimal form)
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  3. #3
    MHF Contributor Quick's Avatar
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    More

    Ratios can be written in three ways:

    1:2
    1/2
    1 per 2 (1 for every 2)

    Ordering fractions: this stuff is too easy for me to help on, PAY ATTENTION IN CLASS!!!!!

    to find the percent of a fraction make the denominator of the fraction 100 and the numerator becomes the percent.
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  4. #4
    Newbie zozo's Avatar
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    Unhappy

    Thank you for helping, but the stuff oyu didnt answer, is the stuff that I dont understand!
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