I need help please!!!


Answer:
1.4040404
Step-by-step explanation:
First of all, if you were trying to find how much heavier 9 was than 3 you would divide 9 by 3 to get three.
Therefore to find how much more heavy 13 9/10 is than 9 9/10 you would divide the 13 9/10 by 9 9/10 to get 1.4040404