Question
Class 4 Kindness and 4 Faithfulness had the same number of pupils. The ratio of the number of girls in 4 Kindness to the number of girls in 4 Faithfulness was 5 : 11. The ratio of the number of boys in 4 Kindness to the number of boys in 4 Faithfulness was 4 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 4 Kindness?
  2. If there were 18 fewer boys than girls in Class 4 Faithfulness, how many pupils were there each class?
4 m
(a)

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(b)

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Class 4 Kindness and 4 Faithfulness had the same number of pupils. The ratio of the number of girls in 4 Kindness to the number of girls in 4 Faithfulness was 5 : 11. The ratio of the number of boys in 4 Kindness to the number of boys in 4 Faithfulness was 4 : 1.
  1. What is the ratio of the number of boys to the number of girls in Class 4 Kindness?
  2. If there were 18 fewer boys than girls in Class 4 Faithfulness, how many pupils were there each class?