SOLUTION: The price of a telephone was first increased by 10% and then the new price was decreased by 25%. The final price was what percent of the initial price A 78% B 80% C 82

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The price of a telephone was first increased by 10% and then the new price was decreased by 25%. The final price was what percent of the initial price A 78% B 80% C 82      Log On


   

Question 309758: The price of a telephone was first increased by 10% and then the new price was decreased by 25%. The final price was what percent of the initial price
A 78% B 80% C 82.5% D 85% E 87.5%
Answer by alicealc(293) About Me  (Show Source):
You can put this solution on YOUR website!
initial price = p
increased by 10% -> the price will be: p + 10% * p = p + 0.1p = 1.1p
decreased the new price by 25% -> the price will be:
1.1p - 25% * 1.1p
= 1.1p - 0.25 * 1.1p
= 1.1p - 0.275p
= 0.825p
= 82.5% * p (C)