SOLUTION: Devon purchased tickets to an air show for 4 adults and 2 children. The total cost was $90. The cost of a child's ticket was $3 less than the cost of an adult's ticket. Find the pr

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Devon purchased tickets to an air show for 4 adults and 2 children. The total cost was $90. The cost of a child's ticket was $3 less than the cost of an adult's ticket. Find the pr      Log On


   

Question 443795: Devon purchased tickets to an air show for 4 adults and 2 children. The total cost was $90. The cost of a child's ticket was $3 less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
4a+2c=90
a-3=c
4a+2(a-3)=90
4a+2a-6=90
6a=96
a=16
c=13
check
64+26=90

ok