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2011 AMC 10B Problem 8

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2011 AMC 10B Problem 8AMC 10 Step by Step
Name:                             Date: October 28, 2026
Logic Puzzles · difficulty 2 of 5 · about 2 min · position P1-10

At a certain beach if it is at least 80∘F80^{\circ} F and sunny, then the beach will be crowded. On June 10 the beach was not crowded. What can be concluded about the weather conditions on June 10?

  1. A)The temperature was cooler than 80∘F and it was not sunny.\text{The temperature was cooler than } 80^{\circ} \text{F and it was not sunny.}
  2. B)The temperature was cooler than 80∘F or it was not sunny.\text{The temperature was cooler than } 80^{\circ} \text{F or it was not sunny.}
  3. C)If the temperature was at least 80∘F, then it was sunny.\text{If the temperature was at least } 80^{\circ} \text{F, then it was sunny.}
  4. D)If the temperature was cooler than 80∘F, then it was sunny.\text{If the temperature was cooler than } 80^{\circ} \text{F, then it was sunny.}
  5. E)If the temperature was cooler than 80∘F, then it was not sunny.\text{If the temperature was cooler than } 80^{\circ} \text{F, then it was not sunny.}

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