[Original repost] I heard that this question stumps 99% of people.
There is a shoe shop, and the shoes that cost 18 are sold for 23; a person bought a pair and gave a 100 note without change. The shop owner also had no change, so he went to a neighbor to exchange 100 change. When the shoe buyer left, the neighbor said that the 100 note was fake and had to exchange it. Please tell me how much money the shop owner lost.
Replies (7)
Which friend is just there to buy soy sauce, in the end, he neither earns a cent nor loses a cent, no need to worry about him. The shopkeeper gave 77 to the person who bought the shoes, got 23, and then gave another 77 to the friend, which equals a loss of 77. There is also a pair of shoes that costs 18, so the loss is 77 + 18 = 95.
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