Answer:
1. $1.5 per pound
2. 8 pounds
3. 3.2 apples
4. 25.6 apples
Explanation:
The cost of per pound of apples on sale: 3/2 = 1.5
For $12, the pounds of apples: 12/1.5 = 8
1 lb = 16 oz so 1 apple is 5/16 lb: 1/(5/16) = 3.2
for $12, the number of apples: 8/(5/16) = 25.6