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Math Help - percentage

  1. #1
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    percentage

    hi i got this question. 34%of 90 i know the answers 30.6 but i need to know how to work it out i have done
    10%of 90 = 9
    9times 3 = 27
    9 divided by 2 = 4.5
    from then on im stuck can you help, if so post please thanks
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by andyboy179 View Post
    hi i got this question. 34%of 90 i know the answers 30.6 but i need to know how to work it out i have done
    10%of 90 = 9
    9times 3 = 27
    9 divided by 2 = 4.5
    from then on im stuck can you help, if so post please thanks
    vocabulary:

    "percent" means "over 100" or "out of 100"

    thus, 34% means 34/100 or 0.34

    in math, "of" usually means "multiply"

    "is" means "equal"


    thus, putting it all together:

    "34% of 90 is" translates to 0.34 * 90 = ...
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  3. #3
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    34% of 90 is the same as saying 0.34 lots of 90

    100% of 90 is 90 (90 x 1)
    50% of 90 is 45 (90 x .5)
    34% of 90 is 30.6 (90 x .34)

    hope it helps
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  4. #4
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    thanks both of you for the answers and yes it does help thanks again bye
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