The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.40 before the discount, and they leave a 20% tip. If the tip applies to the cost of the meal before the discount, what is the total cost of the meal? Round your intermediate calculations and answer to the nearest cent.

Total Cost = (85% * 78.65) + (20% * 78.65)

= 105% * 78.65

= 1.05 * 78.65

= $82.58

Step-by-step explanation:

$ 80.22

Step-by-step explanation

Assumed 20% tip is on the discounted meal.The cost of the meal is $78.65

The cost of the meal after discount (15%)is 78.65(1−0.15)≈$ 66.85

Tip (20%) is : 66.85⋅0.2$13.37

Total cost of the meal is

66.85+13.37≈$80.22 [Ans]

step-by-step explanation:

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