Question 1147729
M=4 liters
H=100 percent
L=40%
T=70%
v, unknown volume of the 100% liquid


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

-

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

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

{{{highlight(v=M(T-L)/(H-L))}}}------------substitute given values and evaluate; then use for evaluating M-v.