Question 1172278
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How many gallons of paint costing $9.30 a gallon should be mixed with 10 gallons of paint costing $12.00 a gallon to product a blend worth$10.20 a gallon ?
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How many gallons, u,  of paint costing $L a gallon should be mixed with V gallons of paint costing $H a gallon to product a blend worth $T a gallon ?
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{{{Lu+HV=T(u+V)}}}
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{{{Lu+HV=Tu+TV}}}
{{{HV-TV=Tu-Lu}}}
{{{Tu-Lu=HV-TV}}}
{{{(T-L)u=V(H-T)}}}
{{{highlight_green(u=V((H-T)/(T-L)))}}}


{{{u=10((12-9.3)/(10.2-9.2))}}}


{{{highlight(u=27)}}}{{{gallons}}}