2. Your bank account has -15 in it. You deposit $7 per day.
(a) How much money is in your account after 5 days? Show your work.
(b) After you have made all of your deposits, you withdraw $4 a day until your account balance is $0. How many days will you withdraw $4? Show your work.

3. A scuba diver was exploring a reef 36.08 m below sea level. The diver ascended to the surface at a rate of 8.8 m/min.
(a) Write an equation to model the situation. Use the formula d = rt. Where d is distance, r is rate and t is time.
(b) Explain why it is reasonable to write the distance, d, as a positive number.
(c) How long did it take the diver to reach the surface?