3 years ago

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..

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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