39.--THE COSTERMONGER'S PUZZLE.

From Amusements in Mathematics by Henry Ernest Dudeney.

Bill must have paid 8s. per hundred for his oranges--that is, 125 for 10s. At 8s. 4d. per hundred, he would only have received 120 oranges for 10s. This exactly agrees with Bill's statement.

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39.--THE COSTERMONGER'S PUZZLE.: Amusements in Mathematics by Henry Ernest Dudeney | amphi