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22-02-2016
Mathematics

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The question says 5k+6k+4k=90. What does k equal?

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23-02-2016

[tex]5k+6k+4k=90 \\ \\ 15k = 90 \ / \ simplify \\ \\ k = \frac{90}{15} \ / \ divide \ each \ side \ by \ 15 \\ \\ k = 6 \ / \ simplify \\ \\ [/tex]

The final result is, k = 6.

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