Brittany started babysitting. She started off with $15 in her account, and her babysitting rate is $10 an hour. The first week she babysat, she worked for 4 hours. The second week she baby sat, she worked 6 hours. The third week she babysat for 2 hours. If in the fourth week she babysits for 8 hours, how much total money will she have?
