5,6,and7
Use the definition of "average". Add the numbers together, then divide the result by 3 (since there are 3 numbers).
The numbers are 15 and 3. 15 * 3 = 45 15 + 3 = 18
18 and 3
3 and 18 do.
They are: 2*3*3 = 18
The prime numbers (factors) of 18 are: 2 and 3
The numbers are: -6 and 3
18 = 2 x 3 x 3
2 x 3 x 3 = 18
3 and 18
18, 36, and 54
Numbers that go into 18 are 1, 2, 3, 6, 9, and 18. You can figure this out by dividing 18 by all possible numbers, and seeing which ones come our as an integer, or whole number.