A Woman sent her three daughters to the market with Eggs. To the first she gave 40 to the second she gave 30, and to the third 20. Her orders were that they should all sell at the same rate per egg or per doz or whatever way they wished but each was to have the same amount of money coming home in the evening and none of the money was to be spent, nor were they to interchange either eggs or money. How would do do it?
The second sold her eight and 8d and 2 d = 10
The third sold her 7 and 7d and 3d = 10d
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