Question 1133931
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How many gallons of a 60% antifreeze solution must be mixed with 60 gallons of 10% antifreeze to get a mixture that is 50% antifreeze?
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How many gallons x,  of a H% antifreeze solution must be mixed with M gallons of L% antifreeze to get a mixture that is T% antifreeze?
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{{{highlight_green(Hx+ML=T(x+M))}}}
Solve for x.


{{{Hx+ML=Tx+TM}}}

{{{Hx-Tx=TM-LM}}}

{{{(H-T)x=TM-LM}}}

{{{highlight(x=(TM-LM)/(H-T))}}}


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substitute the given values:
{{{x=(50*60-10*60)/(60-50)}}}

{{{x=(40*60)/10}}}

{{{x=240/1}}}

{{{highlight_green(x=240)}}}