Answer
Have to sell 250 cones to break even
Work Step by Step
Let "c" be the number of cones sold and "d" be the amount of expense or income because in order to break even, the expense is equal to the income.
We have two equations:
Expense: y=0.45x+200
Income: y=1.25x
0.45x+200=1.25x
200=1.25x-0.45x (Subtract 0.45x from both sides)
200=0.8x
x=250 (DIvide 0.8 from both sides)
Therefore you have to sell 250 cones to make no profit and not in debt
