To find the average of a set of numbers, you add up all the numbers and then divide by the total count of numbers. In this case, the sum of 15, 30, and 45 is 90. Since there are three numbers in the set, you divide 90 by 3 to get an average of 30.
40
45
Halfway between 15 and 30 is the average of the two numbers. To find the average, you add the two numbers together and then divide by 2. In this case, (15 + 30) / 2 = 45 / 2 = 22.5. Therefore, 22.5 is halfway between 15 and 30.
-15
30. 45/3=15. 15x2=30
40
30
They are 15, 30 and 45. 15 [5x3=15] and [15x1=15] 30 [5x6=30] and [15x2=30] 45 [5x9=45] and [15x3=45]
45
The GCF for 15 30 45 is 15.The GCF is 15.It is: 15
The GCF of 30 and 45 is 15.The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.The factors of 45 are 1, 3, 5, 9, 15, and 45The GCF is 15.
The Greatest Common Factor of 60, 45, and 30 is 15.
45
The LCM of 15, 30, and 45 is 90.
15 + 30 = 45
The GCF is 15.
Halfway between 15 and 30 is the average of the two numbers. To find the average, you add the two numbers together and then divide by 2. In this case, (15 + 30) / 2 = 45 / 2 = 22.5. Therefore, 22.5 is halfway between 15 and 30.