More Percent Problems

 LINK TO ANSWERS

“Successive Percentage Changes”

--An item costs $120.  It is on sale for 25% off.  You have a coupon for an additional 10% off. 

What is the final sale price of the article?

 

 

 

 

How much do you save overall?

 

 

 

 

What is the overall percent savings?

 

 

 

 --A retail store buys items from the manufacturer and then marks up the price 75%.  During a sale, prices are discounted 25%.  The store makes what percent profit? 

 

 

 

 

 

--Spot prices for crude oil are rather volatile.  From 1998 to 1999, spot prices for crude oil decreased by 28%.  From 1999 to 2000, they increased by 106%.  What was the percentage change over the two year period from 1998 to 2000?

 

 

 

 

  

“Reverse Percentage Change”

--During a 25% off sale, you buy an item for $22.50.  What was the original price of the item?

 

 

 

 

 

--In 2004, the number of new hybrid vehicle registrations was 83,153 which is an 81% increase over the previous year.   How many hybrid vehicle registrations were there in 2003?

 

 

 

 

--According to the official 2000 census, the Hispanic population of the US in 2000 was 35,306,000.  The population had risen an astounding 57.9% from 1990 to 2000.  What was the Hispanic population in 1990?