An ice skating rink charges an admission fee of 5 for members and 10 for nonmembers Last Saturday the number of members was at least twice the number of nonmembers The rink had collected at most 300 in admissions If m is the number of members and n is the number of nonmembers which graph represents the possible solutions for the number of each kind of skater O n nonmembers n nonmembers y 50 S 40 30 20 10 O y 50 40 30 20 10 O 50 40 30 15 10 20 30 40 50 60 m members 30 15 70 10 20 30 40 50 60 70 m members X