Which of the following is equal to

1/6÷1/18? Assume the shapes are rectangular.

A) The width of a 1/6 square yard tile border that is 1/18 yard long.
B) The width of a 1/18 square-meter flower bed that is 1/6 meter long.
C) The area of a planter that is 1/6 yard wide and 1/18 yard long.

I believe the answer is A but can someone please check this for me?