We are trying to find miles/hour, which shows that we are going to be dividing the total number of miles by the total number of hours. Thus, in this case, the miles/hour rate will be:

He drove 40 miles in one hour.
 
        
                    
             
        
        
        
A - a removes both a’s from equation, then you’re left with b + bsquared, since they are unknown values you cannot combine them, even if it is the same letter, you can only add and subtract unknown values with their same letters together.
        
             
        
        
        
Answer:
Step-by-step explanation:
It's 5/7
You get that by having a calculator that does that. If you don't then the way to do it is multiply the numerator and denominator by 1.25
4 * 1.25 = 5
5.6 * 1.25 = 7
 
        
             
        
        
        
Answer:
40 mph
Step-by-step explanation:
10 miles*4 hours = 40 miles
 
        
             
        
        
        
Answer:
1/8
Step-by-step explanation: