Henry Ernest Dudeney/Puzzles and Curious Problems/138 - The Three Workmen

Puzzles and Curious Problems by Henry Ernest Dudeney: $138$

The Three Workmen

"Me and Bill," said Casey, "can do the job for you in ten days,

but give me Alec instead of Bill, and we can get it done in nine days."

"I can do better than that," said Alec. "Let me take Bill as a partner, and we will do the job for you in eight days."

Then how long would each man take over the job alone?

Sources

• 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $138$. -- The Three Workmen
• 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Arithmetical and Algebraical Problems: Miscellaneous Puzzles: $211$. The Three Workmen