you are 40feet away from the front
r+12=2r+4
so
r=8
so distance from Denzel to you is 8+12=20
and thus double this is 40
Answer: 40 feet away from the front of the line.
Step-by-step explanation: So,you are 40 feet away from the front of the line,and Denzel is exactly halfway between you and the front of the line,which means he is 20 feet from the front and away from you.