Answer:
First, I found out how much it costs for 1lb of apples.
3 divided by 5 = 0.6. 1lb of apples is $0.60.
Now, that we know the cost for one pound of apples, we can figure out the cost for 15lbs of apples.
15lbs X $0.60 = $9.
For 15lbs of apples, it'll cost $9.
Explanation:
Hope that this helps! :)