Difference between revisions of "2013 AMC 8 Problems/Problem 22"
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==Video Solution for Problems 21-25== | ==Video Solution for Problems 21-25== | ||
https://youtu.be/-mi3qziCuec | https://youtu.be/-mi3qziCuec | ||
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+ | ==Video Solution== | ||
+ | https://youtu.be/nNDdkv_zfOo ~savannahsolver | ||
==Solution== | ==Solution== |
Revision as of 17:02, 5 May 2022
Problem
Toothpicks are used to make a grid that is toothpicks long and toothpicks wide. How many toothpicks are used altogether?
Video Solution for Problems 21-25
Video Solution
https://youtu.be/nNDdkv_zfOo ~savannahsolver
Solution
There are vertical columns with a length of toothpicks, and there are horizontal rows with a length of toothpicks. An effective way to verify this is to try a small case, i.e. a grid of toothpicks. Thus, our answer is .
See Also
2013 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 21 |
Followed by Problem 23 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions.