68.80 because 7 is greater than 5
        
             
        
        
        
7^0=1
7^1=7
7^2=7*7=49
7^3=7*7*7=343
etc... etc...
        
                    
             
        
        
        
1 slice of veggie pizza and 1 slice of pepperoni pizza. = 2 slices of pizza in total
        
                    
             
        
        
        
Answer:
1st= 47/7 or 6.71
2nd= 48/7 or 6.857
Step-by-step explanation:
 1st number =X and 2nd number = Y
According to question, X+7=2Y
20+Y=4X
X=2Y-7 (from 1st condition)
putting in it second
20+Y=4(2Y-7)
20+Y=8Y-28
20+28=8Y-Y
48=7Y
Y=48/7
so X=2(48/7)-7
=96-49/7
47/7
 
        
             
        
        
        
Answer: something
Step-by-step explanation:
Cant see the attatchment