2012 AMC 10B Problems/Problem 7: Difference between revisions
Created page with "== Problem 7 == For a science project, Sammy observed a chipmunk and a squirrel stashing acorns in holes. The chipmunk hid 3 acorns in each of the holes it dug. The squirrel hid..." |
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== Solutions == | == Solutions == | ||
x | Let <math>x</math> be the number of acorns that both animals had. | ||
So by the info in the problem: | |||
<math>\frac{x}{3}=(\frac{x}{4})+4</math> | <math>\frac{x}{3}=(\frac{x}{4})+4</math> | ||
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<math>\boxed{x=48}</math> | <math>\boxed{x=48}</math> | ||
This is answer choice <math>\textbf{(D)}</math> | |||
<math> \textbf{(D)}</math> | |||
Revision as of 11:41, 24 February 2012
Problem 7
For a science project, Sammy observed a chipmunk and a 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?
Solutions
Let 
be the number of acorns that both animals had.
So by the info in the problem:
This is answer choice 
