Mary is making 5 necklaces for her friends, and she needs 11/12 of a foot of string for each necklace. How many feet of string does she need

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?