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3 years ago

10

Solve: 2.5k+47.4=81.9

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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