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2012 AMC 10B Problem 1

Problem 1 of 25EasierArithmetic

Each third-grade classroom at Pearl Creek Elementary has 1818 students and 22 pet rabbits. How many more students than rabbits are there in all 44 of the third-grade classrooms?

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Solution

Each classroom has 18−2=1618-2=16 more students than rabbits. Across 44 classrooms, the difference is 4⋅16=644\cdot16=64. Thus, C is the correct answer.
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Tagged: whole number operations

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