# Chapter 10 Counting Methods and Probability - 10.4 Find Probabilities of Disjoint and Overlapping Events - 10.4 Exercises - Mixed Review - Page 713: 53

-6

#### Work Step by Step

Since the two variables vary inversely, we find: $$-4=\frac{k}{12} \\ k=-48$$ So, when $x=8$: $$y=\frac{-48}{8}=-6$$

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