Independent Practice7. The original quantity is 10 and the new quantityis 13. What is the percent change? Is it anincrease or decrease?8. The original quantity is 5 and the new quantityis 3. What is the percent change? Is it an increaseor decrease?7%1310100%100%poP.P Р-P%.The percent increase is%The percent decrease is

Independent Practice7 The original quantity is 10 and the new quantityis 13 What is the percent change Is it anincrease or decrease8 The original quantity is 5 class=


Answer :

The percentage increase or decrease can be calculated by :

[tex]\%change=\frac{New-Orig}{Orig}\times100[/tex]

7. New = 13, Orig = 10

% change = [(13 - 10)/10] x 100 = 30% (Increase)

8. New = 3, Orig = 5

% change = [(3 - 5)/5] x 100 = -40% or 40% (decrease)