Question 1096265
Red:{{{3/20}}}
Blue:{{{9/20}}}
White:{{{X/20}}}
So then the total would equal 1 or {{{20/20}}}
So,
{{{3/20+9/20+X/20=20/20}}}
{{{12+X=20}}}
{{{X=8}}}
So then the fraction is,
{{{W=8/20=2/5}}}
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{{{R=5(3/20)=15/20=3/4}}}
3/4 liter of red is needed.