Answer:
We are given that 4 lb of candies are bought for $9.00
Therefore, the price of 1 lb of candies is:
[tex]\frac{9}{4}=2.25[/tex]
Now the amount of candies that can bought for $12.00 is:
[tex]\frac{12}{2.25} =5.3333[/tex] lb
Therefore, 5.3333 lb of candies can be bought for $12.00