Answer:
The number is 92
Step-by-step explanation:
Let x equal the number
It is tripled
3x
Then it is tripled again
3(3x)
That equals 828
3(3x) = 828
9x =828
Divide each side by 9
9x/9 =828/9
x =92
 
        
                    
             
        
        
        
Answer:
n=0.4
Step-by-step explanation:
10:4=5:2
to make 5 as 1, we will divide both 5 and 2 by 5
<h3>

:

=1:n</h3><h3>therefore, n=

 = 0.4</h3><h3 /><h3>                                           </h3>
 
        
             
        
        
        
Y = 2/3x
it's the best answer
        
                    
             
        
        
        
Answer:
C
Step-by-step explanation:
Volume of a pyramid = 1/3 base area * height 
                                    = 1/3 (8 * 10)(12)