King
A man buys a horse for $60, sells it for $70, buys it back for $80, and finally sells it for $90. How much profit did he make?
$20 profit ($70-$60) + ($90-$80)
If eight men can build eight walls in eight hours, how many men could build four walls in four hours?
If you divide 30 by half and add 10, what do you get?
Seven men have seven wives. Each wife has seven sacks. Each sack has seven cats. Each cat has seven kittens. How many legs are there in all?
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