Question 795222
ASSIGN VARIABLES TO ALL QUANTITIES
L, the lower concentration of available material
H, the higher concentration of available material
T, the target concentration of resulting mixture
x, the amount of lower concentrated material to use, unknown
y, the amount of higher concentrated materaial to use, unknown
M, amount of the resulting mixture


The "concentration" here is "Dollars per Pound".


EQUATIONS
{{{highlight((Lx+yH)/M=T)}}}
and
{{{highlight(x+y=M)}}}


Solve for x and y, all in symbols first.
Evaluate x and y according to your given data.