22
Increase 2500 by 15%. (2875)
 
 
 
 
 
 
 
(%)
 
Discount 3500 by 25%. (2625)
 (%)
Discount the sum of 168, 98, and 734 by 20%. (80%)
 
  
(%)
If 300 grams are added to a test sample originally weighing 
500 grams, what is the percentage increase in weight? 
(160%)
 
  (%)
What is the percentage change when a value is increased 
from 40 to 46? How about 48? (15%, 20%)
 
 
 
 
 
 
 
 
 
 
 
 
 
 (%)