Answer:
$80 - $20 = $60 left.
Step-by-step explanation:
 
        
             
        
        
        
-2log_5 7x = log_5 2
log_5[1/(7x)^2] = log_5 2
log_5(1/49x^2) = log_5 2
log_5(1 - 49x^2) = log_5 2
1 - 49x^2 = 2
You finish. 
        
             
        
        
        
Answer:
they would all get 6 pieces?
Step-by-step explanation:
because 11+1 = 12
and there's 2 cakes. so 12/2 equals 6
(im terrible at math im so sorry if i get this wrong)
 
        
                    
             
        
        
        
Answer:
5/9cd
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3 eggs will take 75 hours.
100 hours will allow a hen to lay 4 eggs.
12 eggs will take 300 hours.
Step-by-step explanation:
For each egg, it will take 25 hours. Multiply the eggs by 25 to get time, and divide time by 25 to get eggs. This is assuming a linear relationship.