A restaurant 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?

a) 100 + 15x

b) $400

Step-by-step explanation:

To find out the equation for the first part, we know that the cost of the banquet room for an event is $100. To add, for each guest (x), we add another $15, which means you have to multiply the price of each guest with the number of guests (x)

To find out part (b), you have to substitute x as 20 in the equation and you shall arrive at the answer of $400