Natalie uses 15 percent off coupon when she buys camera. the original price of the camera is $45.00. how much money , in dollars does natale save by using the coupon ?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?