Using a graphing calculator you can find that the maximum is 1038, so the profit starts to decline at the t value for <span>1038</span>, which is 31
        
                    
             
        
        
        
15.6 kilometers rounded down because it is not safe to go above what has been approved
        
             
        
        
        
Answer:
Step-by-step explanation:
10m^2 and 15mk
common factor is 5m
HCF is 5m