Zachariah and Khai collect stamps. Zachariah has 9 American stamps out of 15 stamps. Khai has 13 American stamps out of 20 stamps. Which statement is correct?

Question

Zachariah has a higher ratio of American stamps than Khai because 9 over 15 is greater than 13 over 20.
Khai has a higher ratio of American stamps than Zachariah because 9 over 15 is greater than 13 over 20.
Khai has a higher ratio of American stamps than Zachariah because 9 over 15 is less than 13 over 20.
Zachariah and Khai have the same ratio of American stamps.

Answer 1

Khai has a higher ratio of American stamps than Zachariah because 13 over 20 is greater than 9 over 15.