Question 478318
they got 300 more items (800 - 500) for 330 more $ (1710 - 1380)
___ this is a cost of $1.1 per item (330 / 300) ___ this piece price is the slope of the line


using either order, you can subtract the piece price and find the fixed costs
___ $830 for set up charges, delivery, etc. ___ this is the y-intercept of the line