Word Problems
Percent Proportion or Equation
Percent of Change & Percent of Error
Markup and Discount
Simple & Compound Interest
100

What is an equation for John found a bat (b) with a 25% markdown on it.  How much does the  bat(b)  cost?  (Express as an Expressions)

what is ...

0.75b

b-0.25b

b(1.00-0.25)

100
70 is this percent of 280.
What is 25%?
100
The percent of change from $55.75 to $75.
What is 34.5% increase?
100
The selling price of an MP3 player that is$150 and has a 36% markup.
What is $204?
100
Simple interest on $575 at 6.25% for 7 years.
What is $251.56?
200

A school  charges x dollars for a play when the tickets are bought before the day of the play. Individuals who pay the day of the play are charged a fee of

C. 1.3

200
This is 118% of 19?
What is 22.42?
200
The percent error for an estimated time of 50 minutes and an actual time of 90 minutes.
What is 44.4% error?
200
The selling price of an amplifier that is $100 and marked up 135%.
What is $235?
200
The total amount in the account with compound interest given the principal of $2750 at 8% for 3 years.
What is $3464.21?
300

Betty  uses 5 cups of sugar for every 3 teaspoons of baking soda to make a batch of cookies. Which equation should she use to find the number of teaspoons of baking soda, x, needed if she uses 8 cups of sugar?

Y= 5/3 X

300
This percent of 800 is 2.
What is .25%?
300
The percent error for a project estimated to take 30 days and actually took 75 days to complete.
What is 60% error?
300
The cost of a jacket that is originally priced at $49.95, discounted 33% and sales tax of 7% is added.
What is $35.81?
300
The interest rate on a loan if $10,500 was borrowed, payments of $276.50 was paid each month for 48 months.
What is 6.6%?
400

Sofia, Elizabeth, and Mark all bought something at the store. Sofia's necklace cost 10% more than Elizabeth's shoes. Mark's video game cost 20% more than Sofia's necklace. If Elizabeth's shoes cost $20.00, what did Mark's video game cost?

What is $26.40

400
126 is 30% of this number.
What is 420?
400
The percent of change form 18,328 to 19,226.
What is as 4.9% increase?
400
The selling price of a bike that is originally $230 with a 30% markup.
What is $299?
400
The simple interest paid on a $4000 loan with monthly payments of $184.17 for 2 years.
What is 5.251%?
500

A store buys TV's for $75 and then marks up the price by 35%. Now, the store has TV's on sale for 20% off their normal price. What is the amount of the sale price of the TV's?

What is $81

500
The number that is 4% of 30.
What is 1.2?
500
The percent of change from $220,988 to $219,748.
What is a .6% decrease?
500
The cost of a clothing purchase of $95 that is discounted 25% and a sales tax of 7.95%.
What is $76.91?
500
Total amount in an account given principal of $2500 at 6.75% for 1 year.
What is $2671.60?
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