Easy math my school's enrollment is 506 after a 10% increase. what was the school's enrollment before the increase?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

When only separate discreet points are graphed it is called?

Ineed in figuring out this problem.