Cars are 10 units, buses 2 units, vans 1 unit. There are 72 more cars than vans, which is 9 units.<br><br>[[model:questions/solutions/q4491.png]]<br><br>• Difference between cars and vans → 10 − 1 = 9 units<br>• 9 units → 72 vehicles<br>• $$\frac{1}{1}$$ unit → 72 ÷ 9 = 8<br>• Cars → 10 × 8 = 80<br>• Buses → 2 × 8 = 16<br>• Cars − buses → 80 − 16 = 64<br><br>There are 64 more cars than buses.<br>Check: Vans = 1 × 8 = 8. Cars − Vans = 80 − 8 = 72. ✓