English is $$\frac{7}{10}$$ of Maths: Maths = 10 units, English = 7 units. The 7 units are 63 marks.<br><br>[[model:questions/solutions/q3434.png]]<br><br>• 7 units → 63 marks<br>• 1 unit → 63 ÷ 7 = 9<br>• Maths → 10 units = 10 × 9 = 90<br><br>She scored 90 for Maths.<br>Check: English → $$\frac{7}{10}$$ of 90 = 63. ✓