Nutrient level required to maintain energy and growth what is it called

15 point ! ~ see if you know the answer to both you!

Nine more than four times a number is the same as one less than twice the number. find the number?

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?