James pays $1000 for advertising.  It brought 100 customers to his site and 80% of those bought something at the store that cost $25.  How much profit does he gain from the ad?
Ҷеймс барои реклама $1000 пардохт мекунад. Ин 100 муштариро ба сайти ӯ овард ва 80% аз онҳо чизе дар дӯкон харидаанд, ки арзиши он $25 аст. Ӯ аз реклама чӣ қадар фоида мегирад?
How many customers bought something? ** 100*.8=<<100*.8=80>>80 customers bought something
How much were the customers worth? ** That means they were worth 80*25=$<<80*25=2000>>2000
How much did he gain from the ad? ** So he gained 2000-1000=$<<2000-1000=1000>>1000 from the ad
#### 1000
How many customers bought something? ** 100*.8=<<100*.8=80>>80 муштариён чизе харидаанд  
How much were the customers worth? ** Ин маънои онро дорад, ки онҳо 80*25=$<<80*25=2000>>2000 арзиш доштанд  
How much did he gain from the ad? ** Пас, ӯ 2000-1000=$<<2000-1000=1000>>1000 аз реклама ба даст овард  
#### 1000