## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 6 - Algebra: Equations and Inequalities - 6.1 Algebraic Expressions and Formulas - Exercise Set 6.1 - Page 347: 36

30° C

#### Work Step by Step

86° F Given formula C = $\frac{5}{9}$(F-32) Step 1: Substitute the value of F=86 in the given expression C = $\frac{5}{9}$(86-32) Step2: Solve the bracket (86-32) C = $\frac{5}{9}$(54) Step 3: Divide 54 by 9 and multiply the result with 5 C = 5(6) C = 30 Therefore the result is 30° C

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