h=20w
in one week hector works 20 hours
in two hector works 40 etc
h = hours and w = weeks. the money is just extra information.
h=20w works because if it has been two weeks we substitute the w with the number 2 and can solve
h=20(2)
h=20x2
h=40
This proves that the equation is true
 
        
             
        
        
        
Answer:
5⁷
Step-by-step explanation:
5*5*5*5*5*5*5 
here,
count how many 5 are there - 7
so,
<u>exponential notation form:</u>
5*5*5*5*5*5*5 = 5⁷
 
        
                    
             
        
        
        
let's say is "x", thus "x" is the 100%.
we know that 66 is 150%, what is "x"?

 
        
             
        
        
        
Answer:
for cd it's 12 I believe fs