The teacher has a pizza party doe the class she orders five boxes of pizza and each pizza box has 8 slices. In the classroom, there are 19 students. How many slices of pizza does each student get and how many slices of pizza are going to be left over if there is any?. Use any kinds of visuals and any other methods to show your work and how you solved the problem.

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters