Difference between revisions of "2024 AMC 8 Problems/Problem 13"
(→Video Solution 3 by OmegaLearn.org) |
(→Solution 1) |
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==Solution 1== | ==Solution 1== | ||
+ | Looking at the answer choices, you see that you can list them out. | ||
+ | Doing this gets you: | ||
+ | |||
+ | UUDDUD | ||
+ | UDUDUD | ||
+ | UUUDDD | ||
+ | UDUUDD | ||
+ | UUDUDD | ||
+ | |||
+ | Counting all the paths listed above gets you 5 or B | ||
==Video Solution 1 (easy to digest) by Power Solve== | ==Video Solution 1 (easy to digest) by Power Solve== |
Revision as of 16:33, 26 January 2024
Buzz Bunny is hopping up and down a set of stairs, one step at a time. In how many ways can Buzz start on the ground, make a sequence of hops, and end up back on the ground? (For example, one sequence of hops is up-up-down-down-up-down.)
Contents
Solution 1
Looking at the answer choices, you see that you can list them out. Doing this gets you:
UUDDUD UDUDUD UUUDDD UDUUDD UUDUDD
Counting all the paths listed above gets you 5 or B
Video Solution 1 (easy to digest) by Power Solve
Video Solution 2 by Math-X (First fully understand the problem!!!)
https://www.youtube.com/watch?v=Td6Z68YCuQw
~Math-X