1/4 of $440 is $110. This is the amount by which his balance changes each month. More specifically, his account balance decreases by $110 each month.
-240 divided by ( 8x2 ) is what? Note that we must perform the operation 8*2 first: 8*2 = 16. Now, divide -240 by 16, obtaining - 15. The correct answer is C.
