T-5 for t=7 solve for t

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Twelve less than a number is at most 20