??????????????? "meen" ?????????????. . . the reel werd be AVERAEJ. . . . . averaej aej=13.2. . . . take awae 4 folks, aejes=13, 14, 15, 16 & nu aveaej=13.0. . . . start: sum=13.2*n. . . . end: sum - 58=13*(n-4). . . 13.2n -58=13n -52 . . . 13.2n -13n=58-52 . . . 0.2n=6 . . . n=6/0.2 . . n=30