# Chapter 1 - Section 1.7 - Multiplication and Division of Real Numbers - Exercise Set - Page 85: 118

-35$^\circ$ C

#### Work Step by Step

C=$\frac{5}{9}$(F-32) C=$\frac{5}{9}$((-31)-32) C=$\frac{5}{9}$(-63) C=5(-7) C=-35

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