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3 May, 07:04

You know that

52 %

of a number, x, is

65.

You also know that

26 %

of a number, y, is

39.

What are the values of x and y? Which number is greater? Explain how you can find whether x or y is greater without finding their values.

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Answers (1)
  1. 3 May, 07:10
    0
    So remember that percent means parts out of 100 so

    52%=52/100=0.52

    26%=26/100=0.26

    'of' means multily

    0.52 times x=65

    divide both sides by 00.52

    x=125

    26% of a number is 39

    0.26 times y=39

    divide both sides by 0.26

    y=150

    x=125

    y=150

    y is greater

    you know that becuase we know that 52% is exatly twice of 26% so therefor, if x=y then 52% of x is half of 26% of y so to compare them, we just divide the 65 number by 2 to find 26% of that number to get 65/2=32.5

    32.5<39 so x is smaller number
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