Anonymous
Anonymous asked in Education & ReferenceHomework Help · 2 months ago

How do you calculate what 7% of 80 is?

22 Answers

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  • 2 months ago

    7 % means7 / 100 

    Next multiply to 80 

    Hence 7 x 80 / 100 = 

    Cancel down by '10' 

    7 x 8 / 10 

    Cancel down by '2' 

    7 x 4 / 5 

    Multiply

    28/5 

    Reduce to a mixed fraction 

    5  3/5 or 5.6  is the answer!!!! 

  • zipper
    Lv 7
    2 months ago

    80x.o7=5.60 that is seven percent. now I done did the math for U are you feeling any dummer?

  • 2 months ago

    Convert the problem to an equation using the percentage formula: P% * X = Y.

    P is 10%, X is 150, so the equation is 10% * 150 = Y.

    Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10.

  • Rjgmh
    Lv 5
    2 months ago

    7% is 7/100 so the calculation would be 0.07 x 80 = 5.6

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  • 2 months ago
  • 2 months ago

    7 times 80 and then divide it by 100. 

  • 2 months ago

    You go back to third grade and learn your multiplication tables and fractions first. 

  • ?
    Lv 7
    2 months ago

    Let's see:  .07 x 80 = ?  Sorry, the math is just too difficult for me.

  • garry
    Lv 5
    2 months ago

    simple its 5.6 the last time i checked in my head , get a calculator .

  • 2 months ago

    You can figure this out in seconds without math just by using logic.

    1) You know it's a multiplication problem because of the word "OF"

    7% OF 80

    2) You already know that 10% of 80 is 8

    3) So the answer has to be "a little less than 8" because 7% is a little less than 10%

    4) So you don't even have to calculate where the decimal point goes.

    It goes wherever it will give an answer of "a little less than 8"

    5) 7×8 = 56 ← This has to be a multiplication problem

    6) Now locate the decimal point to make the answer "a little less than 8"

    ANSWER:

    7% of 80 is 5.6

    -------------------------------

    Note:

    The answer cannot be 56 ← too large -- way more than 8

    The answer cannot be 0.56 ← too small -- way less than 8

    The answer must be 5.6 ← just right -- "a little less than 8"

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