# Chapter 1 - Section 1.5 - Problem Solving and Using Formulas - Exercise Set - Page 66: 7

$320$

#### Work Step by Step

Given that $\dfrac{70x}{100}=224$ We will have to isolate $x$. In order to this take whole terms other side to get the value of $x$. $100(\dfrac{70x}{100})=22400$ or, $70x=22400$ or, $70x=22400$ or, $x=320$

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