Problema Solution
Devon purchased tickets to an air show for 8 adults and 2 children. The total cost was 206. The cost of a child's ticket was 7 less than the cost of an adult's ticket. find the price of an adults ticket and a child's ticket.
Answer provided by our tutors
let cost of adult ticket = x
cost of children ticket = x-7
total cost:
=> 8*x + 2*(x-7) = 206
=> 10x = 220
=> x = 22
cost of adult ticket = 22
cost of children ticket = 15