A meal costs 72 dollars before a 20% tip. What is the total including the tip? Enter the amount in dollars.
پاسخ درست
86.4
توضیح
The total is the meal multiplied by 1.20, so 72 × 1.20 = 86.40 dollars. Using 72 × 0.20 = 14.40 gives the tip alone rather than the full amount paid.