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prealgebra senior
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?
(A)
(B)
(C)
(D)
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
Final answer
D