Question 1183227
v gallons of the 85% ethanol

10-v gallons of the 10% ethanol


{{{85v+10(10-v)=25*10}}}
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{{{17v+2(10-v)=50}}}
{{{17v-2v+20=50}}}
{{{15v=30}}}
{{{highlight(v=2)}}}
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