steve has overdrawn his checking account by $27. his bank charged him $15 for an overdraft fee. then quickly deposited $100 . what is his current balance?

Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account