A restaurant catered a party for 45 people. A child’s dinner (c) cost $15 and an adult’s dinner (a) cost $25. The total cost of the dinner was $1,015. How many children and adults were at the party? Use the table to guess and check. Number of People
a
c
c + a = 45
15 c + 25 a = 1,015 dollars

9 adults and 36 children
10 adults and 35 children
34 adults and 11 children
36 adults and 9 children