Question

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.

Answer 1

11 children and 34 adults

Explanation:

let children be x and let adult be y

15x+25y=1015

x+y=45

*simultaneous equation

x=11, y=34

(11*15)+(34*25)

=165+850

=1015