Question 636487
I'm selling toasters for $15 ea and it costs $55 to make them with a $4 labor cost.
 How many do I need to sell to break even?
:
Let n = number of units to break even
revenue = total cost (var cost + fixed cost)
15n = 4n + 55 
15n - 4n = 55
11n = 55
n = 55/11
n = 5 units sold to break even