(3x3 - 20x +4) + (x-3)

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

$650 per month plus utilities

step-by-step explanation:

just based on the info you gave, it would seem more cost effective to rent at $650 per month plus utilities.   if utilities are, in fact, $150 per month, your monthly living costs would be $800 as opposed to the other option of $825.