Answer:
answer in in the photo with a explanation
i think if its on a graph
Step-by-step explanation:
9/1 x 3/1
You add a bar till the 2 for the 9-10. You add bars till 6 for the 11- 12. You add bars till 8 for the 13-14. You add bars till the 4 for the 15-16.
