Answer :

Sure, let's fill in the missing numbers step by step.

1. To find how many times 9 fits into 63:
- 63 divided by 9 gives us 7.
So, 63 is 7 times as many as 9.

2. To find a number that when multiplied by 11 gives 121:
- 121 divided by 11 gives us 11.
So, 121 is 11 times as many as 11.

3. To find a number that is 5 times as many as 15:
- 5 multiplied by 15 gives us 75.
So, 75 is 5 times as many as 15.

Based on these calculations, the filled-in answers are:

1. 63 is 7 times as many as 9.
2. 121 is 11 times as many as 11.
3. 75 is 5 times as many as 15.