Step-by-step explanation:
it seems the answer is four (option a)
 
        
             
        
        
        
Using how tall it is over how wide
=>tall/wide 
The model 15in/1.5in 
The actual x/55ft
Convert everything into the same units so 55ft to inches 
There are 12in in 1ft
55ft * 12in/1ft
The ft cross out leaving in
55*12in= 660 in
So
15in/1.5in = x/660in
Now solve for x my multiplying both side by 660in
660in *15in/1.5in=x
x= 6600in tall
        
                    
             
        
        
        
Answer:



Step-by-step explanation:
Required
Which equals 

Collect like terms


Divide both sides by 2


Collect like terms


Divide both sides by 2


Collect like terms


Divide both sides by -2


Divide both sides by 2

Collect like terms



Divide both sides by 2

Collect like terms


Hence, the equations with the required solution are:



 
        
             
        
        
        
Answer:
63.6
Step-by-step explanation:
63.625
63.6
 
        
                    
             
        
        
        
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