Answer:
20 dollars 
Step-by-step explanation:
1449 Rs ÷ 72.45 Rs (the exchange rate) = 20 dollars.
 
        
                    
             
        
        
        
<h2>
Answer:</h2><h2>
The actual height of the building = 36 feet.</h2>
Step-by-step explanation:
By blue print conversion, 
2 inches = 8 feet
Therefore, 1 inch =  = 4 feet
 = 4 feet
1 inch = 4 feet
The height of the building on the  blueprint = 9 inches
The actual height of the building = 9 * 4 = 36 feet.
 
        
        
        
Use Photomath it’s a good app for math