A tank has 16 gallons of water in it when water begins draining from the tank. (Recall that water weighs 8.345 pounds per gallon.) If 16 pounds of water have drained from the tank, how many gallons of water are remaining in the tank?

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?