How much does a 12 1/8 pound package weigh after 3 3/4 pound book is taken out. please help will mark brainest I wrote the last one wrong

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9