39.0 is the decimal for it
        
                    
             
        
        
        
Answer:
B
Step-by-step explanation:
A x - 36 <42 is wrong because its saying how many can be added
B x +36 < 42 this one is most likely correct because its displays x as how many can be added
C x - 36 > 42 this is wrong because the bus has less than 42 seats
D x + 36 >57 like i said cant be over 42
 
        
             
        
        
        
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After, thorough research I believe that there are 265 pine trees and 0 elm trees since decidous and semi-decidous do not grow near conifers. 
 
        
             
        
        
        
516+497+501+528+476= 2518
2518/5= 503.6
round up to 504