a. define x , define y
b.write and equation or inequality to represent this situation
c. is point (4,9) a solution? SHOW IT ALGEBRICALLY
d. explain your answer from part c
a.x=#of notebooks, y=#of rulers
b.6x+2y>48 (greater or equal to)
c.no,show work
d.Mr X will not get discount, because he did not spend at least $48.