You can find the dimensions of the model and plug them into the formula for volume (length x width x height)
        
             
        
        
        
ANSWER
Find out the expression gives the percent of survey participants who chose swimming.
To proof
As given
75 girls at a summer camp were asked to complete a survey about their favorite outdoor activity. 
27 girls chose swimming 
32 girls chose hiking.
 FORMULA

total girls  = 75
girls chose swimming = 27
put in the formula

= 36%
36% of survey participants who chose swimming
Hence proved
 
        
                    
             
        
        
        
This is what I got I tried to underline to show u what I was doing and and how I did it