1.772453850905516027298167...
        
                    
             
        
        
        
In order to solve a proportion you need to cross multiply, so you would do:
4x20 and 9xX and you would get...
9x=80
then divide by nine to get 
x=8.8888888889
which is technically 8.9
 
        
             
        
        
        
Answer: 13x-1
 
Step-by-step explanation:
 
        
             
        
        
        
The Answer is
<h2>
24 + 8a</h2>
or, 8a + 24
To get the answer we have to distribute the 8, which means we have to multiply both terms in the parentheses by 8.
8 x 3 = 24
8 x a = 8a
So the answer is 24 + 8a
<h3><u>
</u></h3>
 
        
                    
             
        
        
        
Answer:
36 people joined the radio control club.
Step-by-step explanation:
15-3= 12
12*3=36