Answer:
Step-by-step explanation:
1:4:7
1+4+7=12
120+12+10
 
        
                    
             
        
        
        
No.
4286 / 6= 714.33333333333
        
             
        
        
        
Answer:
shade 10 boxes for 50%
Step-by-step explanation:
50%=50/100=1/2
1/2 of 20=10
:. To shade 50% of the boxes, 10 boxes need to be shaded
 
        
             
        
        
        
Answer:
1458 sq cm
Step-by-step explanation:
because each dimension of A is 3 tomes each dimension of B, that will mean that both the length and width of B are multiplied by 3 in order to get the length and width of A, so the area of B is length×width=162 and the area of A (in terms of B's dimensions) is 3xlength×3×width=9×length×width=9×162=1458 sq cm