John buys cans of soup for buy 1 get one free.  He gets 30 cans with a normal price of $0.60.  How much does he pay?
Ҷон банкаҳои шӯрбои "харид 1, гирифтани 1 ройгон" мехарад. Вай 30 банка бо нархи оддӣ $0.60 мегирад. Вай чанд пул пардохт мекунад?
How many cans does John buy? ** He pays for 30/2=<<30/2=15>>15 cans
How much does John spend? ** So he spends 15*.6=$<<15*.6=9>>9
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How many cans does John buy? ** Ӯ барои 30/2=<<30/2=15>>15 банка пардохт мекунад  
How much does John spend? ** Пас ӯ 15*.6=$<<15*.6=9>>9 сарф мекунад  
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