What is the value of a a. 27.5 b. 45 c. 50 d. 90

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?