processing plant is capable of processing $1000$lb$/$hr of grape marc. The concentration of ethanol coming out the

top of their distillation column is $40$wt$\%$ with a total flow rate of $450$lb$/$hr$.$ If the

processed grape marc still has a moisture content of $10\%$ after distillation, what was the original composition of the grape marc? You may combine the grape skins and seeds into one for this question.