Ale is 4 units, George 1 unit, Sam 3 units. Ale has 12 more sweets than Sam, which is exactly 1 unit.
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• Difference between Ale and Sam → 4 − 3 = 1 unit
• $$\frac{1}{1}$$ unit → 12 sweets
• Ale → 4 × 12 = 48 sweets
• George → 1 × 12 = 12 sweets
• Difference → 48 − 12 = 36
Ale got 36 more sweets than George.
Check: Sam = 3 × 12 = 36. Ale − Sam = 48 − 36 = 12. ✓