<human>:  Martin is organizing a party, and he invited many of his colleagues. He invited 5 people from his hometown and twice as many people from his school. Martin invited also as many people from his sports club as the sum of people invited from his hometown and his school. The remaining invitations represent 20% of the total previously mentioned. How many people can potentially come to the party Martin is organizing?
<bot>: How many people did Martin invite from his school? ** Martin invited 5 * 2 = <<5*2=10>>10 people from his school.
How many invitations did the people from the sports club get? ** People from the sports club got 5 + 10 = <<5+10=15>>15 invitations.
How many people did Martin invite in total? ** So in total from the sports club, hometown and school, Martin invited 5 + 10 + 15 = <<5+10+15=30>>30 people.
How many invitations are there in total? ** All other invitations are 20% of the previous total, which means 20/100 * 30 = <<20/100*30=6>>6.
How many people did Martin invite to his party? ** That means Martin invited to his party 30 + 6 = <<30+6=36>>36 people.
#### 36