Answer:
The answer is actually 74 days. I know how to algebraically solve this, however I am unsure how to transpose my work onto the computer. 
Step-by-step explanation:
I can also tell you that edgenuity will say 74 is correct. 
 
        
             
        
        
        
{35km + x = 140km} {140km - 35km= 105km} so the car traveled 105 kilometers.
        
                    
             
        
        
        
Answer:
Surface area ~ 197.33
<em>Hope that helps!</em>
Step-by-step explanation: