# Chapter 5 - Rates of Reaction - Review Exercises - Page 372: 4

2

#### Work Step by Step

We can write the given ratio as a fraction and then simplify in lowest terms. $\frac{2.50dollars}{1.25dollars}$ Since both the denominator and numerator have the same unit, we can divide out the common unit. $\frac{2.50}{1.25}=\frac{2.50\div1.25}{2.50\div1.25}=\frac{2}{1}=2$

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