Problema Solution
we checked the staff to day exactly half the girls are married but only a third of the men. so two-fifths of them all are married how many girls are there ? we have 30 men
Answer provided by our tutors
let the no of girls be x
total no of married staff = x/2 + 10 = 2/5(30+x)
=> 5x+100 = 120 +4x => x = 20....answer