A cafe bill is 36 dollars. What is the amount of an 18% tip? Enter the amount in dollars.
الإجابة الصحيحة
6.48
الشرح
The tip itself is 18% of the bill, so 36 × 0.18 = 6.48 dollars. Multiplying by 1.18 would give 42.48, which is the bill plus the tip rather than the requested tip amount.