Burning 1-Hour Fuses in 45 Minutes (Math Chat)
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|Frank Morgan, MAA Online|
|You have two one-hour fuses: lighting one end of a fuse will cause it to burn down to the other end in exactly one hour's time. You know nothing else about the fuses; in particular you don't know how long any segment of a fuse will burn, only that an entire fuse takes one hour. How can you tell when exactly 45 minutes have passed? Answer: This is possible, but it takes two good ideas...|
|Levels:||Middle School (6-8), High School (9-12)|
|Resource Types:||Problems/Puzzles, Articles|
|Math Topics:||Calendars/Dates/Time, Calculus (Single Variable)|
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