Friends from the math department often pick up lunch for each other. when it was Mr. Kim’s turn to make the food run , he bought 5 sandwiches and 3 bags of chips . He spent $29.50 . When Mr. Will went , he got 4 sandwiches and 4 bags of chips for $26 . How much does a sandwich cost ? How about the bags of chips ?

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?