# LINR 3 | Lesson 2 | Supplement 2

Cell phone inequalities

The inequalities are:

• Orange: $$x+y$$
• $$\leq25$$ represents the combinations of each type of phone that can be   produced within the 25 phone limit.
• Green: $$2x+4y\leq80$$ represent the combinations of the two types of phones that use 80 hours of labor.
• Where x is the number of no-frill phones and y is the number of hi-end phones.