2012 AMC 12B Problems/Problem 3
Contents
[hide]Problem
For a science project, Sammy observed a chipmunk and squirrel stashing acorns in holes. The chipmunk hid 3 acorns in each of the holes it dug. The squirrel hid 4 acorns in each of the holes it dug. They each hid the same number of acorns, although the squirrel needed 4 fewer holes. How many acorns did the chipmunk hide?
Solution
If is the number of holes that the chipmunk dug, then , so , and . The number of acorns hidden by the chipmunk is equal to
Solution 2
Trying answer choices, we see that works.
See Also
2012 AMC 12B (Problems • Answer Key • Resources) | |
Preceded by Problem 2 |
Followed by Problem 4 |
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All AMC 12 Problems and Solutions |
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