Answer:
asdasd
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
plz mark me as brsinliest..
 
        
             
        
        
        
Road learning: Just take out one 0 for tens, two 0 for hundreds and three 0 for thousands. The answer is 600.
        
             
        
        
        
In 4 hours they will be 400 miles apart 4 times 55 is 220 and 4 time 45 is 180 since there going in opposer directions add the miles together and it equals 400 so it takes 4 hours