Question

Two numbers are in the ratio 9:3. If their sum is 240, then the difference is

Answer 1

Answer:

Given ,

x : y = 9 : 3

x + y = 240

9x + 3x = 240

12x = 240

x = 20

x = 9x

  = 180

y = 3x

  = 60

difference ,

x-y = 180-60

     = 120

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