Study the given table and answer the question that follows. Find the difference between the number of female students and male students who opted biology in school C. School name Total number of students enrolled Percentage of enrolled students, opted Biology Ratio of male to female students who opted Biology A 900 30 7:8 B 400 38 9:10 C 1000 24 1:2 D 800 18 5:7

240 160 200 80

80

Number of students opted biology = 24% of 1000 = 240 Ratio of male to female students opted biology = 1 : 2 3R = 240 1R = \(\frac{240}{3}\) = 80 SO , difference in male & female students opted biology = 2R - 1R = 80