Rashaad owns a food truck that sells tacos and burritos. He only has enough supplies
to make 110 tacos or burritos. He sells each taco for $3.50 and each burrito for $6.50.
Rashaad must sell at least $520 worth of tacos and burritos each day. Also, he must
sell at least 20 tacos. If a represents the number of tacos sold and y represents the
number of burritos sold, write and solve a system of inequalities graphically and
determine one possible solution