Answer:
ans -------8/5 pansnhshshsh
 
        
                    
             
        
        
        
Answer:
Percentage loss of the number of trees is  .
.
Step-by-step explanation:
Given: After a storm,  trees out of
 trees out of  were left standing.
 were left standing.
To find: What is the percentage loss of the number of trees?
Solution: 
We have,
Total number of trees 
Number of trees left standing 
Therefore, loss of trees
We now that 



Hence, the percentage loss of the number of trees is  .
.
 
        
             
        
        
        
0.25 = 1/4, 0.8 : 4 = 0.2