Question 1151235
H=70
L=30
M=30
T=52, the target percentage for the mixture
v gallons of H%
M-v gallons of L%


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

-

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

{{{(H-L)v=TM-LM}}}

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

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

Substitute the given values and evaluate M-v.