23
The fraction of 7 divided by 23 is 7/23.
23.8333
mean = the sum of 23, 19, 26, 17, 21, 24, 22 divided by 7 = 152/7 =21.71
23 divided by 1 = 23
23
The fraction of 7 divided by 23 is 7/23.
23.8333
the answer is -23
48.9583
-90
mean = the sum of 23, 19, 26, 17, 21, 24, 22 divided by 7 = 152/7 =21.71
23 divided by 1 = 23
'An eighth of' means the same as divide by. So 24 divided by 8 is 3. You can check this by calculating back the result: 3, times 8 = 24
You can work this out, Prime numbers can only be divided by themselves or 1. Therefore as 20 can be divided by 2 it it not prime. The same is true for 22 and 24. Thus the prime must be either 21 or 23. See if either of these numbers can be divided by 7, if it can then the prime must be the other number.
0.0435
5.6261