Answer:
5 weeks
Step-by-step explanation:
so if Lily has $60 and takes out (subtracts) 12 a week then it would look like this
TOTAL STARTED WITH EACH WEEK
$60 -12 48
$48 - -12 36
$36 -12 24
$24 -12 12
$12 -12 0
SO Lily will have enough money to deposit for 5 weeks