The total money paid for a meal of $100 with 7% sales tax, 20% tip and a coupon for 15% off is $112.
An equation is an expression that shows the relationship between two or more numbers and variables.
Let us assume that the total cost of the meal shown in the table cost $100, hence:
Tax = 7% of sales = 0.07 * 100 = $7
Tip = 20% of sales = 0.2 * 100 = $20
Coupon = 15% = 0.15 * 100 = $15
Amount paid for meal = total cost + tax + tip - coupon = 100 + 7 + 20 - 15 = $112
The total money paid for a meal of $100 with 7% sales tax, 20% tip and a coupon for 15% off is $112.
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