Question

At a concert the ratio of men to women is 5:3

The ratio of women to children is 7:4
Show that more than half of the people at the concert are men.

Answer 1

Men: 5 : 3 = 20 : 12
Women: 7 : 4 = 21 : 12

So for every 12 children there are 20 men to 21 women.

Neither men nor women compose more than half of the concert population.