At a particular theatre, adult tickets cost $12.50 each and student tickets cost $8 each. At a certain show, only adult and student tickets were sold. If twice as many student tickets as adult tickets were sold and the total sales were $2,280, then how many adult tickets were sold?

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?