# Chapter 9 - Section 9.7 - Temperature and Conversions Between the U.S. and Metric Systems - Exercise Set - Page 679: 64

$\frac{57}{9}\approx6.3^\circ C$

#### Work Step by Step

The formula is: $C=(F-32)\times\frac{5}{9}$ where F is the Fahrenheit and C is Celsius. Here: $C=(43.4-32)\times\frac{5}{9}=\frac{11.4\times5}{9}=\frac{57}{9}\approx6.3^\circ C$

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