Percent Change
Rate ratios and percents
Unit Rate
Applications of Percents
Vocabulary
100
From 15 to 20
What is 33.3% increase.
100
What is 5% of 240?
What is 12.
100
At a discount grocery store, Jessica paid $0.72 for an 8-ounce bottle of spring water. What is the cost of the spring water per ounce?
What is $0.09.
100
A TV was sold for 20% off the regular price of $900. How much is the discount?
What is $180.
100
A ratio comparing a number to 100
What is a percent.
200
If 15 increases by 100%, what is the new number?
What is 30
200
A keyboard that costs $475 is marked down 15% for a sale. How much is the savings?
What is $403.75
200
At the local grocery store, a 16-ounce bottle of apple juice costs $3.20. What is the cost of the apple juice per ounce?
What is $0.20.
200
Alan earns 10% commission and sold $3500 worth of merchandise. How much is his commission?
What is $350.
200
The amount after the discount
What is the sales price.
300
From 120 to 90
What is 25% decrease
300
A shopper bought shoes marked $40. The sales tax is 8%. How much did the shopper pay in all?
What is $43.20.
300
An above-ground swimming pool is leaking. After 1/2 hour the pool has leaked 7/8 of a gallon of water. How many gallons of water per hour is the swimming pool leaking?
What is 1 3/4 gallons per hour.
300
Yesterday Tyler ate lunch at his local diner. The bill for his meal came to $8.40, not including sales tax. Tyler wants to leave a 15% tip for his waiter. How much should his tip be?
What is $1.26?
300
The amount by which the original price was increased.
What is a markup.
400
75 is increases by 20%, what is the new number?
What is 90.
400
How much interest is earned in 2 years on an investment of $2,000. The interest rate is 3%.
What is 120.
400
After 15 minutes a train has moved 9/2 miles toward its destination. How many miles per hour is the train moving?
What is 18 miles per hour.
400
A toy store marks down every toy by 15% in January. What percent of the original price is the toy sold for in January?
What is 85%.
400
A fee paid to a person for a sale
What are commission.
500
What is the percent of increase for a population that changed from 25,000 to 30,000?
What is 20%
500
Sam uses 6 grams of tea leaves to make 24 fluid ounces of tea. Sam made 288 fluid ounces last week. How many grams of tea leaves did he use to make the tea last week?
What is 72 grams.
500
After 3/4 of a minute a sloth has moved just 3/8 of a foot. What is the sloth’s speed in feet per minute?
What is 1/2 feet per minute.
500
A restaurant bill before tax is $15.50. If the sales tax is 8% and a 15% tip is added, what is the total cost of the meal?
What is $20.06.
500
The amount stated as a percent that a number increases or decreases
What is percent change.
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