You plan to purchase a bike costing $795. write an equation that could be used to find the amount m, that you must save per month in order to buy the bike 5 months from now

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?