Please explain your answer also and if you can write it on paper that would be nice!

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Me d is also an option but i couldn't get it in the picture

Yvaries inversely as x. y =12 when x=5. find y when x=4