The answer is in the attached picture.
3 adults and 5 kids.
You can get this by setting up the following system of equations.
x + y = 8 (number of people)
10x + 12y = 86 (cost)
Answer:
95.99
Step-by-step explanation:
8.97 / 44.86
.19995 --> 19.995 % discount
119.99 x .19995 = 23.9926 off of price
119.99 - 23.9926 = $95.99
Answer: $9.71
Step-by-step explanation: Just subtract the pizza amount (8.50) and the drink (1.79) from the $20.
(-6,0) is the ordered pair for this solution, you might want to double check though