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

by : $130$

 * 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.