The cost of an adult ticket to a varsity basketball game is $3.00 and the student ticket is $1.50. If the number of adult tickets sold is represented by a and student tickets sold by s, which expression best represents the amount of money collected from the ticket sales? Group of answer choices 4.50as ,4.50(a+s) ,3.00a+1.50s , (3.00a)(1.50s)