25
22.5
no 5 is not a composite number 10 15 20 and 25 are composite
Yes. In the set (10, 15, 20, 20, 25, 30) the mean, median and mode are all 20.
32
5, 10, 15, 20, 25, 30
The GCF is 5.
-10
The first four multiples of five: 5, 10, 15, 20
The factors of 15 are: 1, 3, 5, 15 The factors of 20 are: 1, 2, 4, 5, 10, 20 The factors of 25 are: 1, 5, 25
Add up all the numbers together and then divide by 12 to find the average mean:- 68/12 = 17/3 or as 5 and 2/3
5, 10, 15, 20 and 25