math

Question:

Find the given percent or fraction of the number.

14. 30% of 256 15. 25% of 2,048

16. 2/3 of 24 17. 5/6 of 90

How do i figure those out? I don't whant the answer I wanna know how to sovle them.

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  1. You turn the percent into a decimal by moving the decimal point two places to the left. Then multiply. For instance -- 30% = 0.3. So 30% of 256 = 0.3 * 256.

    You turn the fraction into a decimal by dividing the numerator by the denominator and then multiplying.

    If you post your answers, we'll be glad to check them.

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    Ms. Sue
  2. so for 14. 30% of 256 is...76.8

    15. 25% of 2,048 is....512

    16. 2/3 of 24 is...16

    17. 5/6 of 90 is...75

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  3. also i have....

    Write each comparison as a percent.

    18. 55 out of 100

    19. 13 out of 39

    20. 2.5 out of 10

    21. 5 out of 100

    sorry to throw more at u... i bet thses are easy questions for u thought because they are 7th grade questions...

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  4. It might be easiest to first write your comparison as a fraction..55/100, 13/39, etc. Then you put you denominator (bottom number) on the outside of a division problem and it will give you the decimal. 55 divided by 100
    13 divided by 39
    2.5 divided by 10, etc.
    Good luck!

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  5. The word "of" in a math problem almost always indicates that you'll need to multiply:

    14. 30% of 256 = .30 x 256 = ?

    15. 25% of 2,048 = .25 x 2048 = ?
    (Broken Link Removed)

    16. 2/3 of 24 = 2/3 x 24/1 = ?

    17. 5/6 of 90 = 5/6 x 90/1 = ?
    (Broken Link Removed)

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  6. ok thanks and i have some new ?'s

    also i have....

    Write each comparison as a percent.

    19. 13 out of 39

    20. 2.5 out of 10

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  7. 14. is correct

    15. is correct

    16. is correct

    17. is correct

    Good for you!

    =)

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  8. 13 out of 39 = 13/39
    Divide 39 into 13

    2.5 out of 10 = 2.5/10
    Divide 10 into 2.5

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  9. does divide into just mean divide

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  10. To divide 13 into 39 is the same thing as to dive 39 by 13 -- different way to say it, but the process is the same.

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