John buys bags of popcorn for $4 and sells them for $8.  How much profit does he get by selling 30 bags?
Ҷон халтаҳои попкорнро барои 4 доллар мехарад ва онҳоро барои 8 доллар мефурӯшад. Вай бо фурӯши 30 халта чӣ қадар фоида мегирад?
How much profit does each bag make? ** Each bag makes a profit of 8-4=$<<8-4=4>>4
How much profit does John make? ** So he makes a total profit of 30*4=$<<30*4=120>>120
#### 120
How much profit does each bag make? ** Ҳар як халта 8-4=$<<8-4=4>>4 фоида меорад
How much profit does John make? ** Пас, ӯ дар маҷмӯъ 30*4=$<<30*4=120>>120 фоида меорад
#### 120