Answer:
20%
Step-by-step explanation:
Step 1: Subtract starting value minus the final value (decrease)
 
Step 2: Divide the decrease by the original number
 
Step 3: Multiply the result by 100 to get a percent decrease

Therefore, the percent decrease of the price of paper per package is 20%
<em>Note: If the percentage is negative, it means there was an increase and not a decrease.</em>
 
        
             
        
        
        
Answer:
a = 2/3
Step-by-step explanation:
(4(x+1) + 20 )/(x+1) = 16
4x + 4 + 20 = 16x + 16
12x = 8
x = 2/3
 
        
             
        
        
        
If 4/5 of the total is 48, the total can be found by dividing it by 4 and multiplying it by 5:
48/4 = 12
12*5 = 60.
        
                    
             
        
        
        
Answer: -5
Step-by-step explanation: 19 -9 = 10. 10/-2 = -5
 
        
                    
             
        
        
        
The way to find the difference between 5y - 3 you have to first do the inverse operation of multiplication which is division.
                5y - 3
                __   __
                5      5
                 y - 0.6