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Answer :

Akaiqbacongo

Answer:

k=13.8

Step-by-step explanation:

Given function:

  • 2.5k+47.4=81.9
  • to find k..

Subtract final and middle value:

  • [tex]81.9-47.4= 34.5[/tex]

Divide by 2.5:

  • [tex]34.5*2.5=13.8[/tex]

Therefore, k=13.8..

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