Amixture of 30 pounds of candy sells for $1.10 a pound. the mixture consists of chocolates worth $1.50 a pound and
chocolates worth 90¢ a pound. how many pounds of the $1.50 chocolate were used to make the mixture?
if x represents the pounds of $1.50 chocolates used, then which of the following represents the pounds of 900
chocolates used?
x
30
30 -x