Answer:
The number of pair of gym shoes does Mr. king has is 27 pairs . 
Explanation:
Given as :
Total number of pairs of shoes does king has = 36 pairs
The number of gym shoes = 
 of the total pairs of shoes
Let The number of pair of gym shoes = n
According to question
The number of gym shoes = 
 × the total pairs of shoes
Or, n = 
 × 36 
i.e n = 

Or, n = 3 × 9
∴ n = 27
So, The number of pair of gym shoes = n = 27 pairs
Hence, The number of pair of gym shoes does Mr. king has is 27 pairs . Answer