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Math help (should be easy)!?

I should know this, but I can't get my hea around it...

20% of m is 55

30% of n is 60

n is what percent of m?

73%

27%

138%

1.64%

.73%

How should I work this out? Any help would be appreciated!

5 Answers

Relevance
  • Jesse
    Lv 6
    1 decade ago
    Favorite Answer

    First find what m is by dividing 55 by 20 and multiplying by 100.

    Then find what n is by dividing 60 by 30 and multiplying by 100.

    Then divide n by m and multiply by 100.

    You'll have to round this answer up to the next #.

  • 1 decade ago

    20% of m is 55

    30% of n is 60

    First find m and n:

    20% = .2

    .2m = 55

    m = 55/.2

    m = 275

    30% = .3

    .3n = 60

    n = 60/.3

    n = 200

    200/275 x 100% = 72.727272727272... = 73%

  • 1 decade ago

    73%.

    .20m=55.

    m= 275

    .30n=60

    n=200

    therefore: 200/275 = x/100 --> x=72.7

  • 1 decade ago

    first solve for m and n

    0.2m = 55

    m= 55(0.2) = 275

    0.3n=60

    n=60(0.3) = 200

    n/m = 200/275 = 0.727

    So 73%

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  • 1 decade ago

    0.2m=55

    0.3n=60

    so:

    m=275

    n=200

    n/m= 200/275 = 0.727 = 72.7% = 73% when rounded

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