Question
Class 3 Patience and 3 Joy had the same number of students. The ratio of the number of girls in 3 Patience to the number of girls in 3 Joy was 1 : 7. The ratio of the number of boys in 3 Patience to the number of boys in 3 Joy was 4 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 3 Patience?
  2. If there were 20 fewer boys than girls in Class 3 Joy, how many students were there each class?
4 m
(a)

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(b)

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Class 3 Patience and 3 Joy had the same number of students. The ratio of the number of girls in 3 Patience to the number of girls in 3 Joy was 1 : 7. The ratio of the number of boys in 3 Patience to the number of boys in 3 Joy was 4 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 3 Patience?
  2. If there were 20 fewer boys than girls in Class 3 Joy, how many students were there each class?