Gender Grade 9 Grade 10 Grade 11 Grade 12
Male 53 19 27 37
Female 31 42 50 61
What percentage of females are in grades 11 and 12? Round to the nearest percent.
Grade 11: 50 females
Grade 12: 61 females
Total females in grades 11 and 12: 50 + 61 = 111
Total females: 31 + 42 + 50 + 61 = 184
Percentage of females in grades 11 and 12: (111 / 184) * 100% ≈ 60%
Approximately 60% of females are in grades 11 and 12.