Sam invested $10,000 and earned 20% interest compounded for 3 years. He then invested more until he had three times as much invested. The next year, he got a 15% return on his investment. How much money does he have now?
Сэм $10,000 сармоягузорӣ кард ва 20% фоизро барои 3 сол ҷамъ кард. Сипас, ӯ боз сармоягузорӣ кард, то он даме, ки сармояи ӯ се маротиба зиёдтар шавад. Соли оянда, ӯ 15% фоида аз сармоягузориаш гирифт. Ҳоло ӯ чанд пул дорад?
How much money did Sam have after one year? ** After one year, Sam had $10,000 * 1.2 = $<<10000*1.2=12000>>12,000.
How much money did Sam have after two years? ** After two years, he had $12,000 * 1.2 = $<<12000*1.2=14400>>14,400.
How much money did Sam have after the third year? ** After the third year, he had $14,400 * 1.2 = $<<14400*1.2=17280>>17,280.
How much money did Sam have after investing more? ** He then invested more money until he had 3 * $17,280 = $<<3*17280=51840>>51,840.
How much money did Sam have after the first year? ** The first year after that, he had $51,840 * 1.15 = $<<51840*1.15=59616>>59,616.
#### 59,616
Чанд пул дошт Сэм пас аз як сол? ** Пас аз як сол, Сэм $10,000 * 1.2 = $<<10000*1.2=12000>>12,000 дошт.  
Чанд пул дошт Сэм пас аз ду сол? ** Пас аз ду сол, ӯ $12,000 * 1.2 = $<<12000*1.2=14400>>14,400 дошт.  
Чанд пул дошт Сэм пас аз соли сеюм? ** Пас аз соли сеюм, ӯ $14,400 * 1.2 = $<<14400*1.2=17280>>17,280 дошт.  
Чанд пул дошт Сэм пас аз сармоягузории бештар? ** Вай баъдтар пулҳои бештар сармоягузорӣ кард, то он ки 3 * $17,280 = $<<3*17280=51840>>51,840 дошта бошад.  
Чанд пул дошт Сэм пас аз соли аввал? ** Соли аввал пас аз он, ӯ $51,840 * 1.15 = $<<51840*1.15=59616>>59,616 дошт.  
#### 59,616