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Usimov [2.4K]
3 years ago
10

Solve: 2.5k+47.4=81.9

Mathematics
1 answer:
belka [17]3 years ago
8 0

Answer:

k=13.8

Step-by-step explanation:

Given function:

  • 2.5k+47.4=81.9
  • to find k..

<u><em>Subtract final and middle value:</em></u>

  • 81.9-47.4= 34.5

<em><u>Divide by 2.5:</u></em>

  • 34.5*2.5=13.8

Therefore, k=13.8..

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