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Sticky Note
If 1:x=5:11, what is the value of x?
  1. 2.2
  2. 5
  3. 11
  4. 1
Explanation

  • Using cross multiplication:1 times 11 = 5 times x.


  • This gives
    11 = 5x    .


  • Solving for x, , x=115=2.2

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