Percent of Change
What is the percent of change of 136 to 85?(Rounded to the nearest tenth) Identify if it is an increase or decrease.
37.5% decrease
What is the total cost of an $18 breakfast with a 7% sales tax?
$19.26
What is the total cost spent on a $20 haircut with a 10% tip?
$22.00
A pair of $80 boots are going on sale for 25% off. What is the sale price?
$60
What is a sales tax?
A % extra charged from the original price
When Aaron was 9 years old, he was 56 inches tall. Aaron is now 12 years old and he is 62 inches tall. Find the percent of increase in Aaron's height to the nearest tenth.
10.7%
Emily wants to buy new boots that cost $68. The sales tax rate in her city is 5 1/2 %. What is the total cost for the boots?
$71.74
What is the new price of a $185 TV with a 5% markup?
$194.25
Madden 2022 is originally priced at $99. It is on sale for 40% off the original price. Find the sale price of the game, rounded to the nearest cent.
$59.40
What is a tip?
A % extra paid to a waiter from the original price
In 2015 VPAA sold 236 year books. In 2016 VPAA sold 212 year books. What is the percent of change from 2015 to 2016, rounded to the nearest tenth?
10.2%
Mr. Carter stayed in a hotel room for 3 nights at $210 per night. The hotel room tax rate in the city is 12%. What is the total cost for the hotel?
$705.60
Dereon is selling clothes for a fashion show event. The wholesale cost of the materials for one outfit is $9.38. If she sells an outfit for $15, what is the percent markup? Round to the nearest percent.
60%
A swimsuit is on sale for $45.50. If the sale price is discounted 5% from the original price, what was the original price? Round to the nearest cent.
$47.89
What is a discount?
A % taken off the original price
A student population of 1,200 was estimated to increase by 15%. It actually increased by 20%. Find the estimated and actual student populations and the percent of error rounded to the nearest tenth.
Estimated = 1,380
Actual = 1,440
Percent Error = 4.2%
Samantha spends $30.45, before tax at the bookstore. If the sales tax rate in her city is 7.25% and Samantha started with $40, how much money does Samantha have left?
$7.34
Isabella needs to earn $3000 a month for her savings goal. How much does she need to sell if she earns a 15% commission on everything she sells?
$20,000
A shoe store buys packs of socks wholesale for $5 each and marks them up by 40% to sell. 6 months later the store decides to put these socks on sale for 40% off. What is the new sale price of the socks.
$4.20
What is the sales price?
The price after tax, tip, markup, or discount
Each of Mrs. Kustra's two children received $50 for their savings account. The original amounts in their savings accounts were $500 (for child A) and $300 (for child B). Which child's savings account had a greater percent of increase?
Child B
Dario is trying to decide between two cities to travel to for a weekend trip. The prices for a hotel room for two nights and the hotel tax rate are as follows:
Hotel A - Cost $250 - Tax Rate 12.5%
Hotel B - Cost $215 - Tax Rate 14.75%
What is the difference in cost between the two cities for a weekend trip? Round to the nearest cent.
$34.54
Ernesto is buying supplies to make and sell a painting He bought a frame and canvas for $125 which include tax. Then he bought a set of paint brushes for $12.50 and paint for $19.50 both of which have to add a 7% sales tax.
Ernesto decides to calculate the total he spent on the frame, canvas, paint brushes and paint and add a 115% markup for the price of his painting. How much did he charge for his painting? Round to the nearest cent.
$342.37
A pet store is selling Aquarium A that is originally $118 for 30% off. They are selling Aquarium B that is originally $110 for 25% off. Which Aquarium is the cheapest and what is the difference in the sale price?
Aquarium A; $0.11
What method is used to solve for percent?
The Butterfly Method