Write the following comparison as a ratio reduced to lowest terms. 31 hours to 7 days​

Ithink the answer would be knew

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

Sis less than or equal to 75 (bottom left)