All the numbers are composite except the ones in bold: 18 19 20 21 22 23 24 25.
24 + 23 + 22 + 21 + 20 + 19 + 18 + 17 + 16 + 15 + 14 + 13 + 12 + 11 + 10 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 300
21.8Simply add them all up, and then divide by how many numbers you have.
The answer is 209. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.
(19+22)/2 = 20.5
138
24 + 18 + 20 + 22 = 84
All the numbers are composite except the ones in bold: 18 19 20 21 22 23 24 25.
24 + 23 + 22 + 21 + 20 + 19 + 18 + 17 + 16 + 15 + 14 + 13 + 12 + 11 + 10 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 300
21.8Simply add them all up, and then divide by how many numbers you have.
The answer is 209. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.
(19+22)/2 = 20.5
20 21 22 23 24 18 19
-83 + 24 +(-19)= -102+ 24= -78
The answer is 24.
(11/12) + (7/8) = (22/24) + (21/24) = 43/24 = 1 and 19/24
The median is 20, as it is the middle number when they are all listed in order.