3.4
Halfway between 18 and 28 is (18 + 28) ÷ 2 = 23.
The halfway number between 3 and 6 is 4.5.
19
(6+6.5)÷2 = 6.25
To find the number halfway between any two numbers x and y, add x and y, then divide the answer by 2. So for 21 and 35, 21+ 35 = 56. 56/2 = 28. You can check your answer by seeing that 21 + 7 = 28 and 35 - 7 = 28.
Halfway between 18 and 28 is (18 + 28) ÷ 2 = 23.
28
There is no distance between the two.
The halfway number between 3 and 6 is 4.5.
55
28
(14 + 42) / 2 = 28
19
-13.5
(6+6.5)÷2 = 6.25
To find the number halfway between any two numbers x and y, add x and y, then divide the answer by 2. So for 21 and 35, 21+ 35 = 56. 56/2 = 28. You can check your answer by seeing that 21 + 7 = 28 and 35 - 7 = 28.
Halfway between 6 and 8 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, (6 + 8) / 2 = 14 / 2 = 7. Therefore, the number halfway between 6 and 8 is 7.