Question 1176505
L = 7.8 dollars per pound
H = 8.1 dollars per pound
T = 7.86
M = 20 pounds for the blend
p, how many pounds of the $8.10 coffee



{{{L(M-p)+Hp=TM}}}

-

{{{LM-Lp+Hp=TM}}}

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

{{{highlight_green(p=M((T-L)/(H-L)))}}}


-----substitute given values -------

{{{p=20((7.86-7.8)/(8.1-7.8))}}}

{{{highlight(p=4)}}}  and the other quantity is 16 pounds.