Henry Ernest Dudeney/Puzzles and Curious Problems/130 - Milk and Cream
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Puzzles and Curious Problems by Henry Ernest Dudeney: $130$
- Milk and Cream
- A dairyman found that the milk supplied by his cows was $5$ per cent cream and $95$ per cent skimmed milk.
- He wanted to know how much skimmed milk he must add to a quart of whole milk to reduce the percentage of cream to $4$ per cent.
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Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $130$. -- Milk and Cream
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Arithmetical and Algebraical Problems: Miscellaneous Puzzles: $203$. Milk and Cream