Juan plays little league baseball. In 36 at-bats, he had 12 hits. What is the ratio of at-bats to hits?

A.
3:1
B.
12:1
C.
1:12
D.
1:3

The ratio of at-bats to hits is 36:12, which simplifies to 3:1. Therefore, the correct answer is A. 3:1.