The vehicles are 8 equal units. Three units are not cars, so the other 5 units are cars = 30.<br><br>[[model:questions/solutions/q3412.png]]<br><br>• Cars = 5 units → 30<br>• 1 unit → 30 ÷ 5 = 6<br>• Total = 8 units → 8 × 6 = 48<br><br>There are 48 vehicles in the parking area.<br>Check: not cars = 3 × 6 = 18; 18 + 30 = 48. ✓