Solve the problem.
-Devon purchased tickets to an air show for 8 adults and 2 children. The total cost was $170. The cost of a child's ticket was $5 less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
A) adult's ticket: $18; child's ticket: $13
B) adult's ticket: $20; child's ticket: $15
C) adult's ticket: $17; child's ticket: $12
D) adult's ticket: $19; child's ticket: $14

Question

Quizplus · Accepted Answer

Let the cost of an adult's ticket be $x$ and the cost of a child's ticket be $x - 5$. The equation for the total cost is $8x + 2(x - 5) = 170$. Solving this equation gives $x = 18$, so the adult's ticket is $18 and the child's ticket is $13.

Solve the Problem. -Devon Purchased Tickets to an Air Show for 8 Adults