Question

A concert is being held in your hometown. 1500 tickets are sold. Adult tickets are $10.50 and child's tickets are $7.50. If a total of $13950 worth of tickets were sold, determine how many adult tickets and how many child tickets were sold. 1st equation: 2nd equation: Solution: x = and y =

Answer 1

x+y=1500

10.50x+7.50y=13950

multiply the first one by -7.5 to eliminate y

-7.5x-7.5y=-11250

3x=2700

x=900 adults for $9450

y=600 children for $450

Explanation: