Question 1146147
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A dairy farmer wants to mix a H% protein supplement and a standard L% protein ration to make M pounds of a high-grade T % protein ration. How many pounds of each?
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v pounds of H% protein supplement
M-v pounds of L%


{{{Hv+L(M-v)=TM}}}

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{{{Hv+LM-Lv=TM}}}

{{{Hv-Lv=TM-LM}}}

{{{v(H-L)=M(T-L)}}}

{{{highlight(v=M((T-L)/(H-L)))}}}

Substitute your given values.  Evaluate v.  Use this to evaluate M-v.