Betty R.Mutich of 308 Graham St.;Belle Vernon;died Thursday;March 20;1986;at 10:20 p.m.in Montefiore Hospital;Pittsburgh. She was 61. Mrs.Mutich was born Jan.20;1925;in Belle Vernon;a daughter of the late Paul and Myrtle Zundel Reppert. She was a member of the First United Methodist Church in Belle Vernon and the Community Ambulance Service Auxiliary. A former telephone operator in Belle Vernon;Mrs.Mutich had in recent years been employed by Mar-Bill Distributors. In addition to her parents she was preceded in death by a brother;Donald Reppert;and by an aunt;Edna L.Reppert. Survivors include her husband;Charles Mutich;a son;Charles J.Mutich at home;two daughters;Rebecca Mutich of Pittsburgh and Mrs.Ronald (Donna) Santoro of Belle Vernon;six brothers;Thurman Reppert of Centerville;John Reppert of Belle Vernon;Howard Reppert of Bedford;Charles Reppert of Waynesville;Missouri;and Frank and Ernest Reppert;both of Belle Vernon;two sisters;Mrs.Thomas (Edna Grace) Wilkinson and Mrs.Francis (Joan) Rach;both of Belle Vernon;and two grandchildren;Adam Anthony and Abby Rebecca Santoro. Friends will be received Friday from 7 to 9 p.m. and Saturday from 2 to 4 and 7 to 9 p.m. in the Shelby D.Ferguson Funeral Home;700 Broad Ave.;Belle Vernon;where services will be held Sunday;March 23;at 2 p.m.with the Rev.Thomas St.Clair;pastor of the First United Methodist Church of Belle Vernon;and the Rev.Charles LaPlaca;pastor of the First Presbyterian Church of Belle Vernon;officiating. Burial will be in Belle Vernon Cemetery. Shelby D.Ferguson;funeral director;is in charge of arrangements.