Milly has $83.50 in her savings account. she deposits $15 every week. her mother also deposits $10 into the account every time milly washes the car. her savings account balance can be shown with the following expression: 10c + 15w + 83.50. if milly saves for 15 weeks and washes the car 4 times, how much will she have in her account? * currently confucius *