24, because area means to multipy and it gives 6 ins. and 4 ins. so 6x4 is 24. Hope I was helpful. 
 
        
             
        
        
        
12 blue 
18 yellow 
for every can of blue you need one and a half cans of yellow
        
             
        
        
        
5n+8=43
43-8  =  35
35/5   =   7
n=7
        
                    
             
        
        
        
Answer:
1: 155
2: 222
3: 44
4: 132
5: 163
6: i dont know 
7: 202
8:?
9: ?
hope this helped!
Step-by-step explanation: