19
the number between 2 and 20 is 11
15
44
-5
To find the number that is halfway between twenty-three and fifty-one, you can average the two numbers. Add them together: 23 + 51 = 74, and then divide by 2: 74 ÷ 2 = 37. Therefore, the number that is half between twenty-three and fifty-one is 37.
the number between 2 and 20 is 11
15
32
32
-5
37
44
32
It is 45 69 +21 = 90 90/2 = 45
Thirteen (A+)
Thirteen (A+)
13 < 2n - 5 < 21