thEsE ExErCisEs ArE DEsignED to hElp you Apply thE mAthEmAtiCs ConCEpts just CovErED、thEy ArE not in gr
E、FormAt, But shoulD hElp you to iDEntiFy your ArEAs oF strEngth AnD wEAknEss in thEsE ArEAs.
trAnslAting worD proBlEms
thEsE quEstions will tEst your ABility to loCAtE rElEvAnt mAthEmAtiCAl inFormAtion in worD proBlEms.
plACE An x nExt to thE CorrECt ExprEssion in thE quEstions BElow.
E、BorDEr=0 CEllspACing=0 CEllpADDing=0 wiDth="100%">tinA goEs to thE storE to purChAsE somECDs AnDDvDs.CDs Cost $15 AnDDvDs Cost $18. whiCh oF thE Following ExprEssions givEs thE totAl Amount oF monEy, in DollArs, tinA will pAy For purChAsing 2 oF thECDs AnDD、oF thEDvDs
______15+D
______30+18D
______18+D+30
______D(18+15)