15. you can spend at most $60 on beads. a bag containing red
beads costs $2 per bag. a bag containing blue beads costs $3
per bag. you need more bags of blue beads than bags of red
beads.
a. write and graph a system of linear
inequalities that represents the situation.
b. identify and interpret a solution of the system.
c. use the graph to determine whether you can buy 9 bags of red beads and
12 bags of blue beads.