# Question #f669d

##### 1 Answer

Jun 24, 2017

#### Explanation:

I'm assuming the function

#p(x) = r(x) - c(x)#

#p(x) = (15x) - (80 + 5x)#

#p(x) = 10x - 80#

Now, we need to find

#0 = 10x - 80#

#80 = 10x#

#8 = x#

So the students will need to sell 8 shirts to break even.

*Final Answer*