human
An alien invades Earth. It abducts 200 people. He returns 80% of the people abducted. After that he takes 10 people to another planet. He took the rest to his home planet. How many people did he take to his home planet?
assistant
How many people did he return? ** He returned 200*.8=<<200*.8=160>>160 people
How many people did he have left? ** So he had 200-160=<<200-160=40>>40 people
How many people did he take to his home planet? ** He took 10 of those to another planet so he took 40-10=<<30=30>>30 to his home planet
#### 30