aspvUVHSIGAvigA aspvUVHSIGAvigA 14-03-2017 Mathematics contestada Your electric bill has been as follows for the past six months: July: $78.56 August: $30.21 September: $81.20 October: $79.08 November: $66.18 December: $100.75 What was your monthly average over the past six months?