Half of a number n
n/2
How far is n/2 from 14
l 14 - n/2 l
At most 5 units ( less or equal)
l 14 - n/2 l ≤ 5
Solve;
14 - n/2 ≤ 5
14-5 ≤ n/2
9 ≤ n/2
9*2 ≤ n
18 ≤ n
-(14-n/2) ≤ 5
-14+n/2 ≤ 5
n/2 ≤ 5+14
n/2 ≤ 19
n ≤ 19*2
n ≤ 38
Solution:
18 ≤ n ≤ 38
4.4m questions
5.7m answers