问题标题：
GMAT数学一题.很简单但是和答案不同.arecipeforsodarequireswlitersofwaterforeveryliterofsyrup.ifsodaismadeaccordingtothisrecipeusingmlitersofsyrup,andsoldforjdollarsaliter,whatwillbethegrossprofitifsy
问题描述：
GMAT数学一题.很简单但是和答案不同.
arecipeforsodarequireswlitersofwaterforeveryliterofsyrup.ifsodaismadeaccordingtothisrecipeusingmlitersofsyrup,andsoldforjdollarsaliter,whatwillbethegrossprofitifsyrupcostskdollarsaliterandwatercostsnothing?
靖刚回答：
Ifthevolumof1litersyrupaddedwith1literwateris2liter,sodausingmlitersofsyrupis(m*w+m)liters,whichsoldsj*(m*w+m)dollars.Sincethecostofthesodaism*k,thegrossprofitisj*(m*w+m)-mk,i.e.m*(j*w-k+1).
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