Consumer mathematics / Francis G. Lankford, Jr. [and] William E. Goe. Lankford, Francis Greenfield, 1906- Goe, William E., joint author. Home economics Accounting. Finance, Personal. Arithmetic. Consumer education. TX326 .L24 510 LAC Includes index New York, Harcourt Brace Jovanovich [c1971] [c1971] 1971 Text xvi, 480 p. eng