# Chapter 1 - Section 1.2 - Formulas and Percent - 1.2 Exercises: 41

$113^{\mathrm{o}}~\mathrm{F}$

#### Work Step by Step

In order to convert Celsius to Fahrenheit, we use the formula: $F=\displaystyle \frac{9}{5}C+32$ We plug in $45$ for C: $F=\displaystyle \frac{9}{5}(45)+32$ $=81+32$ $=113^{\mathrm{o}}~\mathrm{F}$

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