A group of four friends goes to the movies. Each friend pays for a ticket, a snack, and a drink. The ticket costs d dollars. The snack costs 1.5 times the price of a ticket. The drink costs $1.25 less than the ticket.
Which part of the expression represents the total amount each friend pays?
a. 1.5d
b. d+1.5d+d
c. 4
d. d+1.5d+d-1.25
