Question 794742
L = 40%
T = 48%
H = 60%
M = 100 gallons
u = how much of L
v = how much of H
The unknowns are u and v.


Note, {{{L<T<H}}}.


{{{(Lu+Hv)/M=T}}} and {{{u+v=M}}}.


Solve that as a system completely in symbols for u and v.
Substitute values and evaluate.