Mark buys a Magic card for $100, which then triples in value.  How much profit would he make selling it?
Марк як кортии Маъҷизавиро барои 100 доллар мехарад, ки баъд арзишаш се баробар мешавад. Вай дар фурӯши он чанд фоида мекунад?
How much did the card go up in value? ** The value went up to 100*3=$<<100*3=300>>300
How much did he gain? ** So he gained 300-100=$<<300-100=200>>200
#### 200
How much did the card go up in value? ** Арзиши карт 100*3=$<<100*3=300>>300 шуд
How much did he gain? ** Пас ӯ 300-100=$<<300-100=200>>200 фоида кард
#### 200