Precentages

The number of people who attended Math Club increased from 15 to 45. By what percentage did the number of people increase?

Due to road construction, the amount of travel time from Matt’s home to his favorite skate park increased from 25 minutes to 45 minutes. By what percentage did the travel time increase?

The value of a fare trading card increased from $40 to $50. By what percentage did the value increase?

Mauricio currently watches 450 minutes of television each week. If he plans to reduce this amount to 270 minutes, by what percentage will he decrease the number of minutes he watches television each week?

The number of library books returned after their due date each month decreased from 70 books to 49 books. By what percentage did the number of late books decrease?

The original online price of a popular video game was $50. Now, it can be purchased Online for $45. What percentage has the price decreased?

Veronica purchased dinner at a restaurant and paid $38. Her sales tax was 7%. How much will Veronica pay in dollars and cents for sales tax?

Eduardo bought a pair of headphones that originally cost $40. If he used a coupon for 10% off of his purchase, how much money did he save by using the coupon?

Your parents took your family out to dinner. Your parents wanted to give the waiter a 15% tip. If the total amount of the dinner was $42.00, what should be paid to the waiter as a tip?

A refrigerator is priced at $525.50. There is a 6% discount for the item. What is the discount for the refrigerator in dollars and cents?