Answer:
Billy is incorrect. The ratio of the number of apples to the number of peppers is 3:1
Explanation:
See the attached figure to better understand the problem
Let
x ----> the number of apples
y ----> the number of peppers
we have


The ratio of the number of apples to the number of peppers is equal to

substitute

therefore
Billy is incorrect. The ratio of the number of apples to the number of peppers is 3:1