At a certain moment, when both ladies both have the same number of apples left, Mrs. Smith is called away. She asks her neighbour to take care of her goods.
To make everything less complicated, Mrs. Jones simply puts all apples to one big pile, and starts selling them for two shilling per five apples. When Mrs. Smith returns the next day, all apples have been sold. But when they start dividing the money, there appears to be a shortage of seven shilling.
Supposing they divide the number equally, how much does Mrs. Jones lose with this deal?
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