2018 AMC 12B Problems/Problem 5

How many subsets of $\{2,3,4,5,6,7,8,9\}$ contain at least one prime number? $(\text{A}) \indent 128 \qquad (\text{B}) \indent 192 \qquad (\text{C}) \indent 224 \qquad (\text{D}) \indent 240 \qquad (\text{E}) \indent 256$

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2018 AMC 12B (Problems • Answer Key • Resources)
Preceded by Problem 4	Followed by Problem 6
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All AMC 12 Problems and Solutions

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2018 AMC 12B Problems/Problem 5

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