Keith bought a baseball for 10.37 and spent 8.29 on toy trucks keith also spent 6.03 on a jacket in total how much did keith spend on toys

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?