Dr. Robbins took the elevator to the 18th floor. He went back down 7 floors, up 2 floors, and down 5 floors. What floor is he now on? And please tell him to stop playing with the elevators. * 5 points

Shane and abha earned a team badge that required their team to collect no less than 2000 cans for recycling. abha collected 178 more cans than shane did. write an inequality to determine the number of cans, s, that shane could have collected.