Question

Printing a newsletter cost $1.50 per copy plus $450 in printers fee. The copies are sold for $3 each. How many copies of the newsletter must be sold to break even?

Answer 1

300
potential profit is $1.50 / newsletter
you need to sell enough to cover the printers fee.
$450 ÷ $1.50 = 300

Answer 2

1.50x + 450 = 3x
450 = 3x - 1.50x
450 = 1.50x
450/1.50 = x
300 = x

300 copies must be sold to break even