Question
Class 2 Joy and 2 Peace had the same number of children. The ratio of the number of girls in 2 Joy to the number of girls in 2 Peace was 3 : 7. The ratio of the number of boys in 2 Joy to the number of boys in 2 Peace was 2 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 2 Joy?
  2. If there were 15 fewer boys than girls in Class 2 Peace, how many children were there each class?
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(b)

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Class 2 Joy and 2 Peace had the same number of children. The ratio of the number of girls in 2 Joy to the number of girls in 2 Peace was 3 : 7. The ratio of the number of boys in 2 Joy to the number of boys in 2 Peace was 2 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 2 Joy?
  2. If there were 15 fewer boys than girls in Class 2 Peace, how many children were there each class?