Question 110568
2X+10(4-X)=12
2X+40-10X=12
-8X=12-40
-8X=-28
X=-28/-8
X=3.5 POUNDS OF 2 DOLLAR CANDY.
4-3.5=.5 POUNDS OF 10 CANDY.
PROOF
2*3.5+.5*10=12
7+5=12
12=12