00458nam a2200145 a 450000500170000000800410001702000180005805000240007610000220010024500910012225000160021326000570022930000100028665000160029620140412111246.0010329s19uu xx 00 eng d a0-673-24018-5 aTR(GS 510bCHA 1985 aCharuhas, Mary S. aEssential mathematics for life :bpercent, graphs and measurement /cMary S. Charuhas. a2nd edition aGlenview, Ill :bScott, Foresman and Company,c1985. a164p. aMathematics