Difference between revisions of "2023 AMC 8 Problems/Problem 9"
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== Video Solution 1 by SpreadTheMathLove== | == Video Solution 1 by SpreadTheMathLove== | ||
https://www.youtube.com/watch?v=lfyg5ZMV0gg | https://www.youtube.com/watch?v=lfyg5ZMV0gg | ||
| + | |||
| + | ==Video Solution by Magic Square== | ||
| + | https://youtu.be/-N46BeEKaCQ?t=4903 | ||
==See Also== | ==See Also== | ||
{{AMC8 box|year=2023|num-b=8|num-a=10}} | {{AMC8 box|year=2023|num-b=8|num-a=10}} | ||
{{MAA Notice}} | {{MAA Notice}} | ||
Revision as of 10:45, 25 January 2023
Contents
Problem
Malaika is skiing on a mountain. The graph below shows her elevation, in meters, above the base of the mountain as she skis along a trail. In total, how many seconds does she spend at an elevation between 
and 
meters?
Solution
The time intervals in which Malaika's elevation is between and meters are:
- from the
nd to the 
th seconds
nd to the - from the
th to the 
th seconds
th to the 
th seconds- from the
th to the 
th seconds
th to the 
th secondsIn total, Malaika spends 
seconds at such elevation.
~apex304, MRENTHUSIASM
Video Solution 1 by SpreadTheMathLove
https://www.youtube.com/watch?v=lfyg5ZMV0gg
Video Solution by Magic Square
https://youtu.be/-N46BeEKaCQ?t=4903
See Also
| 2023 AMC 8 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 8 |
Followed by Problem 10 | |
| 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. 
