Lily has $500 in the bank when the year begins. Each out the same amount of money. After 8 weeks she has $436 left in the
bank. Which equation can be used to model this scenario where W is the
number of weeks that has passed since the beginning of the year and M.
is the amount of money remaining in the bank?
(3) M= -8W + 500
(4) M=8W - 500
(1) W = -8M + 500
(2) W = 8M - 500