eight times the reciprocal of a number equals 4 times the reciprocal of 8

Question

I just need the answer to this question. It's very hard for me to understand 

Answer 1

If "n" is a number 1/n is its reciprocal.

 

8 (1/n) = 4 (1/8)

8/n = 1/2

8 = n/2

16 = n

 

The number is sixteen.