John and his family went out to eat at their favorite restaurant. The bill for the food was 65.00, and they a left 20% tip for the server. What was the total cost of their meal

Answer: Total cost of their meal is $78
Step-by-step explanation: 20% of 65 is a 13 dollars tip adding up to a total of $78
65*0.2 = 13
65+13=78