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Solve: 2.5k+47.4=81.9

1 Answer

5 votes

Answer:

k=13.8

Explanation:

Given function:

  • 2.5k+47.4=81.9
  • to find k..

Subtract final and middle value:


  • 81.9-47.4= 34.5

Divide by 2.5:


  • 34.5*2.5=13.8

Therefore, k=13.8..

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