¶ 2013 AMC8 Problem 22
Problem:
Toothpicks are used to make a grid that is toothpicks long and toothpicks high. How many toothpicks are used altogether?
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Answer Choices:
A.
B.
C.
D.
E.
Solution:
A grid toothpicks long and toothpicks high needs columns of toothpicks and rows of toothpicks. Therefore a total of toothpicks are needed.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions