Ramona scored a Total of 18 points in 20 item-test.

1. What is the ratio of the score to the total test items? Write your answer in word.

2. . What is the ratio of the number of incorrect answers to the total number of test items? Write in colon.

3. What fraction of the total number of test items is the number of correct answers?

4. What is the ratio of the total test items to the number correct answers? Write your answer in word.

5. What is the ratio of the number of correct answers to the number of incorrect answers? Give your answer in simplest form.