Question 362717
Let x = # of packages that must be sold.  Then the total cost is given by 1.20x + 960, while the revenue coming from its sale is 2.40x.  To break-even,
{{{1.20x+960 = 2.40x}}}, or
{{{960 = 1.20x}}}, or
x = 800.  Thus they have to sell 800 packages.