A restaurant catered a party for 40 people. A child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. The total cost of
the dinner was $728. How many children and adults were at the party? Use the table to guess and check. 8 children and 32 adults
9 children and 31 adults
10 children and 30 adults
12 children and 28 adults
I actually don't have enough information to complete this question but if you have a positive slope the line goes either up and right or down and left but when it is negative it goes down left or up right.
