Girls are 5 more than boys, and altogether there are 35 pupils. Let the common part be 1 unit.<br><br>[[model:questions/solutions/q4496.png]]<br><br>• Let Boys = 1 part, then Girls = 1 part + 5<br>• 2 parts + 5 → 35 pupils<br>• 2 parts → 35 − 5 = 30<br>• $$\frac{1}{1}$$ part (Boys) → 30 ÷ 2 = 15<br>• Girls → 15 + 5 = 20<br>• Ratio Girls : Total → 20 : 35 = 4 : 7<br><br>The ratio of the number of girls to the total number of pupils is 4 : 7.<br>Check: Boys + Girls = 15 + 20 = 35. 20 : 35 = 4 : 7. ✓