in a college , the ratio of the number of boys to girls is 8 : 5 . if there are 200 girls , the total number of students in the college is
explanation : let the boy are 8 x and girls are 5 x = > 5 x = 200 = > x = 40 total students = 8 x + 5 x = 13 x = 13 ( 40 ) = 520 answer : b
add(200, multiply(divide(200, 5), 8))