Math Brain Teasers · Billy-B
Math Brain Teaser #15
From Billy-B's legendary 1001 Puzzle Collection — preserved on Puzz.com since 1998.
Puzzle #15
If 7 web programmers can format 1001 puzzles in 429 minutes, how long does it take 3 web programmers to format those 1001 puzzles?
Reveal Answer
1001 minutes — The total amount of work is 7 times 429 programmer-minutes, so 3003 programmer-minutes. So 3 programmers will need 3003/3 = 1001 minutes.
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