Max has been offered positions by two car companies. The first company pays a salary of $12,500 plus commission of $500 for each car sold. The second company pays a salary of $22,500 plus a commission of $250 per car sold. How many cars would need to be sold to make the total pay the same?
you want x such that the amounts are the same:
12500 + 500x = 22500 + 250x
now finish it off