搜搜考试网GMAT数学一题.很简单但是和答案不同.
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GMAT数学一题.很简单但是和答案不同.
a recipe for soda requires w liters of water for every liter of syrup.if soda is made according to this recipe using m liters of syrup,and sold for j dollars a liter ,what will be the gross profit if syrup costs k dollars a liter and water costs nothing?
a recipe for soda requires w liters of water for every liter of syrup.if soda is made according to this recipe using m liters of syrup,and sold for j dollars a liter ,what will be the gross profit if syrup costs k dollars a liter and water costs nothing?
If the volum of 1 liter syrup added with 1 liter water is 2 liter,soda using m liters of syrup is (m*w+m) liters,which solds j*(m*w+m) dollars.Since the cost of the soda is m*k,the gross profit is j*(m*w+m)-mk,i.e.m*(j*w-k+1).