Agroup of 15 people go to the movie theater. they each get 2 drinks and 3 bags of popcorn. they got a special deal where all 12 of them get to see the movie for $65 dollars. the cost for them combined in dollars is given by the expression 15(2d + 3p) +65, where d is the cost of a drink and pis the cost of a bag of popcorn. a drink costs $4.50. a bag of popcorn costs $4.00. what is the group's total cost?