Kimberly currently has a balance of -$20.59 and her checking account. Her bank requires her to maintain a minimum balance of $40 . How much does Kimberly need to deposit and her checking account to reach the minimum 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