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CEMC Pascal, 2022 Difficulty 1.0 Junior Find the answer Canada
The expression 20 + 22 2 \dfrac{20+22}{2} 2 20 + 22
Pick one
A 1 1 1 B 4 4 4 C 20 20 20 D 21 21 21 E 22 22 22
Solution Evaluating, 20 + 22 2 = 42 2 = 21 \dfrac{20+22}{2} = \dfrac{42}{2} = 21 2 20 + 22 = 2 42 = 21
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