michael has $15 and wants to buy a combination of school lunches to feed at least three classmates. a sandwich costs $2, and hot lunch costs $3
this system of inequalities models the scenario:
2x + 3y 15
x+y3
part a: describe the graph of the system of inequalities, including shading and the types of lines graphed. provide a description of the solution sot (4 points)
part b: is the point (6, 1) included in the solution area for the system? justify your answer mathematically (3 points)
part c: choose a point in the solution set and interpret what it means in terms of the real world context (3 points)