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 | + | <math> \textbf{(A)}\ 48\qquad\textbf{(B)}\ 56\qquad\textbf{(C)}\ 64\qquad\textbf{(D)}\ 72\qquad\textbf{(E)}\ 80 </math> |
== 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 18:44, 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?
== 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
