# Chapter 6 - Percent - 6.4 Using Proportions to Solve Percent Problems - 6.4 Exercises - Page 418: 31

$\frac{18}{36}=\frac{x}{100}$

#### Work Step by Step

Use the percent proportion formula and fill in the quantities given. $\frac{part}{whole}=\frac{percent}{100}$ part= 18 whole=36 x= unknown

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