Suppose you were helping to stock shelves at the health food store where you work. You have opened and stocked 40 cases of merchandise so far, which is 80% of the cases. How many cases did you have to start?

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