Consumer mathematics / William E. Goe. Goe, William E. Lankford, Francis Greenfield, 1906- Consumer mathematics. Home economics Accounting. Finance, Personal. Arithmetic. Consumer education. TX326 .G63 1979 510 GOC Previous ed. (c1971) by F. G. Lankford. Includes index. New York : Harcourt Brace Jovanovich, c1979. c1979. 1979 Text viii, 472 p. : eng