Henry Ernest Dudeney/Puzzles and Curious Problems/130 - Milk and Cream

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.

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