Question
Class 6 Peace and 6 Gentleness had the same number of children. The ratio of the number of girls in 6 Peace to the number of girls in 6 Gentleness was 5 : 7. The ratio of the number of boys in 6 Peace to the number of boys in 6 Gentleness was 2 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 6 Peace?
  2. If there were 15 fewer boys than girls in Class 6 Gentleness, how many children were there each class?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Class 6 Peace and 6 Gentleness had the same number of children. The ratio of the number of girls in 6 Peace to the number of girls in 6 Gentleness was 5 : 7. The ratio of the number of boys in 6 Peace to the number of boys in 6 Gentleness was 2 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 6 Peace?
  2. If there were 15 fewer boys than girls in Class 6 Gentleness, how many children were there each class?