# Chapter 1 - Section 1.2 - Operations with Real Numbers and Simplifying Algebraic Expressions - Exercise Set: 146

The average approval rating of Iran, China, and the UK is $-6$.

#### Work Step by Step

China's approval rating = $-10$ Iran's approval rating = $-29$ UK's approval rating = $21$ Thus, the average rating of the three countries is: $=\dfrac{-10+(-29)+21}{3} \\=\dfrac{-18}{3} \\=-6$ The average approval rating of Iran, China, and the UK is $-6$.

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