# Chapter 1 - Quiz (Sections 1.1-1.2): 9

$x=10$

#### Work Step by Step

1. Original equation $\frac{15}{45}=\frac{x}{30}$ 2. Simplify $\frac{1}{3}=\frac{x}{30}$ 3. Solve for x $3x=30$ $x=10$

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