15 and 5 both go into every multiple of 15 .
Both 15 and 20 can go into 60, as they are both factors of that number.
They both go into 90.
15
As 11 is prime, only 1 will go into both.
15 and 5 both go into every multiple of 15 .
Both 15 and 20 can go into 60, as they are both factors of that number.
The multiples of 15 start with 15 and go higher. The factors of 11 start with 11 and go lower. The two sets don't intersect.
They both go into 90.
15
As 11 is prime, only 1 will go into both.
99
11 of them with a remainder of 11
15
15 and 10 are both factors of 30.
If you are talking about time, 11:15 is 11 and 15/60. To turn 60 into a percentage, you divide by 60 and multiply by 100. Therefore if you do that with 15 it becomes 25. You can do it that way or derive a quarter by dividing both sides by 15. So 11:15 is 11.25 hours
11 times.