Amanda buys lunch for a group of people. She buys each person a $2.50 hamburger, $1.50 French fries, and drinks (d) which had no price listed. Then, she buys a cake for everyone to share that cost $9.00. If lunch was for 5 people, simplify the expression below representing the total cost.

a. 5d+29
b. 5d+65
c. d+23
d. d+29