Question 162105
6X+4(100-X)=100*4.64
6X+400-4X=464
2X=464-400
2X=64
X=64/2
X=32 POUNDS OF $6 COFFEE IS USED.
100-32=68 POUNDS OF $4 COFFEE IS USED.
PROOF:
6*32+4*68=464
192+272=464
464=464