Question

In a group of 42 children there are twice as many boys as girls. How many girls are there?

Answer 1

Divide 42 by three, since you have three groups. Two of boys and one of girls.
42/3=14
14*2=28
14 girls and 28 boys

Answer 2

No of girls = x No of boys = 2x x+2x=42 3x=42 x=42/3=14 Therefore there are 14 girls