# Chapter 2 - Section 2.5 - Formulas and Problem Solving - Exercise Set: 41

T = 61$\frac{1}{2}$ or 61.5 degrees

#### Work Step by Step

Using the formula T = 50 + $\frac{N - 40}{4}$, substitute the value given into the equation. T = 50 + $\frac{86 - 40}{4}$ Solve for T: T = 50 + $\frac{46}{4}$ T = 50 + 11$\frac{1}{2}$ T = 61$\frac{1}{2}$

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