Question 1187192

--------------------------------------------------------------------
..., $15 an hour as photographer.   She also coaches a soccer team for $ 10 an hour. Opal needs to earn at least $90 dollars per week, but she doesn't want to work more than 20 hours per week.
-------------------------------------------------------------------------


{{{15p+10c}}}------------This is her revenue for a week.


{{{system(15p+10c>=90,p+c<=20)}}}



These you work through YOURSELF:
a.-Define the variables
b.-Graph the system
c.-Give two possibles solutions to describe how opal can achive her goals
d.- Is (2,2)a solution?
Explain