posted by dell .
1. five friends are standing in a lone of 7th graders to pick up their class schedules. Laura is the 20th person behind Rayma. Rayma is the 50th person ahead of Deanna. Deanna is the 10th person behind Charlotte. Shelly is the 30th person ahead of Laura. Charlotte is the 50th person behind Shelly. Who is the 1st of these friends in line?
2. Refer to the line of friends described in problem #1 if there are 50 students in front of the friend who is closet to the front and 50 people are behind the friend closet to the back of the line,how many people are in line