Question 10
A group of 12 adults and 9 children travel on a bus.
The cost of an adult ticket is \$*n*.
The cost of a child ticket is \$(*n* − 10).
The total cost of the tickets is \$277.50 .
Find the cost of one adult ticket.
(answer in dollars)
The cost of an adult ticket is \$*n*.
The cost of a child ticket is \$(*n* − 10).
The total cost of the tickets is \$277.50 .
Find the cost of one adult ticket.
(answer in dollars)
