Question
Class 2 Kindness and 2 Joy had the same number of students. The ratio of the number of girls in 2 Kindness to the number of girls in 2 Joy was 5 : 7. The ratio of the number of boys in 2 Kindness to the number of boys in 2 Joy was 2 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 2 Kindness?
  2. If there were 20 fewer boys than girls in Class 2 Joy, how many students were there each class?
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(b)

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Class 2 Kindness and 2 Joy had the same number of students. The ratio of the number of girls in 2 Kindness to the number of girls in 2 Joy was 5 : 7. The ratio of the number of boys in 2 Kindness to the number of boys in 2 Joy was 2 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 2 Kindness?
  2. If there were 20 fewer boys than girls in Class 2 Joy, how many students were there each class?