HELP ASAP I NEED TO FINISH THIS HOMEWORK AND IM ON THE LAST QUESTION

Kaylee and her friends are going into a bakery. How much would it cost to buy 1 donut and 5 cookies if each donut costs $2.00 and each cookie costs $1.25? How much would it cost to buy 11 donuts and 55 cookies if each donut costs $d and each cookie cost $c

Please include the work!