Susan can read 72 words in 1/3 of a minute. Which statement is correct?

She can read 24 words per minute, because 72 divided by  is equal to 24.

She can read 24 words per minute, because 72 times  is equal to 24.

She can read 216 words per minute, because 72 divided by  is equal to 216.

She can read 216 words per minute, because 72 times  is equal to 216.