To solve this problem you must apply the proccedure shown below:
1- You have the following information given in the problem above:
- He got on an elevator and went down 3 floors.
- He stayed in the elevator and went down 3 more floors.
2- Therefore, you must sum both quantities. Let's say that [tex]x[/tex] is the number of floors asked, then:
[tex]x=3floors+3floors\\x=6floors[/tex]
The answer is: 6 floors.
