Difference between revisions of "2012 AMC 12B Problems/Problem 1"
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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? | 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? | ||
(A) 48 (B) 56 (C) 64 (D) 72 (E) 80 | (A) 48 (B) 56 (C) 64 (D) 72 (E) 80 | ||
| − | Solution | + | == Solution == |
Multiplying 18 and 2 by 4 we get 72 and 8 students and rabbits respectively. Subtracting 72 from 8 we get | Multiplying 18 and 2 by 4 we get 72 and 8 students and rabbits respectively. Subtracting 72 from 8 we get | ||
64 which is choice '''C''' | 64 which is choice '''C''' | ||
Revision as of 19:35, 23 February 2012
== Problem ==
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?
(A) 48 (B) 56 (C) 64 (D) 72 (E) 80
== Solution ==
Multiplying 18 and 2 by 4 we get 72 and 8 students and rabbits respectively. Subtracting 72 from 8 we get
64 which is choice C
