The sum of number is at least 14 means the sum is either equal to 14 or greater then 14. So,
According to the question,
5x + 2x ≥ 14
= 7x ≥ 14
= x ≥ 14 / 7
= x ≥ 2
I'm not sure if those are the elements you mean, but major traits of folktales are that:
- They are being told in an oral way from generation to generation
- They present how people imagine and explain wonders of the world
