AMC10 2012 B
AMC10 2012 B · Q1
AMC10 2012 B · Q1. It mainly tests Fractions, Arithmetic misc.
Each third-grade classroom at Pearl Creek Elementary has 18 students and 2 pet rabbits. How many more students than rabbits are there in all 4 of the third-grade classrooms?
Pearl Creek 小学的每个三年级教室有 18 名学生和 2 只宠物兔子。4 个三年级教室里，学生比兔子多多少？
(A)
48
48
(B)
56
56
(C)
64
64
(D)
72
72
(E)
80
80
Answer
Correct choice: (C)
正确答案：（C）
Solution
There are $18-2 = 16$ more students than rabbits per classroom.\nAltogether there are $4 \cdot 16 = 64$ more students than rabbits.
每间教室学生比兔子多 $18-2 = 16$ 个。
总共 $4 \cdot 16 = 64$ 个学生比兔子多。
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