HP 300s Scientific Calculator - Manual (Page 28)

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%)

       
    (%) 
     