Solving Systems Of Equations Word Problems

Question

Emma went to the movie theater for her birthday. A mix of children and adults attended making a total of 19 people. each adult ticket was $9 each and each child's ticket was $5.50. If the total cost for the party was $150 then how many adults and how many children attended

Answer 1

c represents the number of children

19 - c represents the number of adults

 

5.5c + 9(19 - c) = 150

 

Can you solve for c and answer?