Base x height of each of the blocks and then add them together.
        
             
        
        
        
Https://us-static.z-dn.net/files/d63/6f064638901e33bea26f4fc25a74aa69.jpg
 
        
        
            
            
                Evaluate 0.3 y+\dfrac yz0.3y+ z y  0, point, 3, y, plus, start fraction, y, divided by, z, end fraction when y=10y=10y, equals, 
                sergij07 [2.7K]             
         
        
Answer:
   5
Step-by-step explanation:
Put the numbers where the corresponding variables are in the formula and do the arithmetic.
   
The expression evaluates to 5.
 
        
             
        
        
        
Can you explain this question more please