Answer
800 packages
Work Step by Step
Break even means revenue equals costs
Revenue of 4 dollars per box
2000 dollars of fixed cost, 1.50 per box sold
$4x=2000+1.5x$
$4x-1.5x=2000+1.5x-1.5x$
$2.5x = 2000$
$2.5x/2.5 = 2000/2.5$
$x=800$