Difference between revisions of "2022 AMC 10B Problems/Problem 4"
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~Education, the Study of Everything | ~Education, the Study of Everything | ||
| + | ==Video Solution by Interstigation== | ||
| + | https://youtu.be/_KNR0JV5rdI?t=310 | ||
== See Also == | == See Also == | ||
{{AMC10 box|year=2022|ab=B|num-b=3|num-a=5}} | {{AMC10 box|year=2022|ab=B|num-b=3|num-a=5}} | ||
{{MAA Notice}} | {{MAA Notice}} | ||
Revision as of 01:11, 28 April 2023
Contents
Problem
A donkey suffers an attack of hiccups and the first hiccup happens at 
one afternoon. Suppose that
the donkey hiccups regularly every 
seconds. At what time does the donkey’s 
th hiccup occur?
Solution 1
Since the donkey hiccupped the 1st hiccup at , he hiccupped for 
seconds, which is 
minutes and 
seconds, so the answer is 
.
~MrThinker
Solution 2 (Faster)
We see that the minute has already been determined.
The donkey hiccups once every 5 seconds, or 12 times a minute. 
, so the 700th hiccup happened on the same second as the 4th, which occurred on the 
th second. .
~not_slay and HIPHOPFROG1
Video Solution 1
~Education, the Study of Everything
Video Solution by Interstigation
https://youtu.be/_KNR0JV5rdI?t=310
See Also
| 2022 AMC 10B (Problems • Answer Key • Resources) | ||
| Preceded by Problem 3 |
Followed by Problem 5 | |
| 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 AMC 10 Problems and Solutions | ||
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
