45 is the smallest number that both 9 and 15 divide into evenly with no remainder.
There are 8 nines in 72. This can be calculated by dividing 72 by 9, which equals 8. In other words, 9 goes into 72 eight times without any remainder.
Nine of them
0.2
79
as in the multiples? 9 18 27 36 45 54 63 72 81 90 99 ...
The GCF of 9s and 63s^3 is 9s.
10 times
Exactly 6 of them
24 of them with a remainder of 2
Eleven.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108