--am us  eng
++000    00000nam a2200000 a 4500
++020    |a9780823988938
++090    |a658 RUF
++100 1  |aRuffin, Frances E.
++245 10 |aLet's Have a Bake Sale : Calculating Profit and Unit Cost /|cFrances E. Ruffin
++250    |aRev. ed.
++260    |aNew York:|bRosen,|c2010.
++300    |a24 p.:|bcol.ill.;|c22 cm.
++440  0 |aMath for the World
++650    |aBusiness Mathematics Juvenile Literature
++650    |aProblem Solving Juvenile Literature