James had $400 in his bank account. After
paying bills for 4 months, his balance is now
$160. What is his rate of change in dollars per month?

A.40
B.-40
C.60
D.-60

James had 400 in his bank account After paying bills for 4 months his balance is now 160 What is his rate of change in dollars per month A40 B40 C60 D60 class=