Vocabulary
Using the Percent Equation
Percent Change
Discounts and Markups
Simple Interest
100

This terms refers to a number or ratio expressed as a fraction of 100

What is Percent

100

What percent of 50 is 25?

50%

100

A shirt originally costs $40 and is on sale for $30.

25% decrease

100

A shirt originally costs $20 and is on sale for 25% off. What is the discount amount?

$5 off

100

$200 at 5% interest rate for 2 years. Find the interest accrued.

$20

200

What is 1 as a percent?

100%

200

What is 60% of 90?

54

200

A video game increases in price from $50 to $60.

20% increase

200

A toy store sells a board game for $18 and applies a sales tax of 10%. What is the final price?

$19.80

200

A loan of $600 is given at a 4% simple interest rate for 3 years.
How much in interest must be paid?

$72

300

Sales tax and tips are both prime examples of this.

What is a markup

300

107 is what percent of 210? Round to the nearest percent.

51%

300

A school’s student population this year is 575 students. In 2024 the population was 500.

15% increase

300

A restaurant bills you $29 for a meal, but offers a 10% discount. You also leave a 15% tip. How much did you spend? (Hint: Tip is calculated using original bill)

$30.45

300

You invest $1,500 in a bank account that earns 6% simple interest per year.
How much will be in the acccount after 4 years?

$1860

400

The ______  ________ describes how much a quantity has changed relative to its original amount.

percent change

400

A store has 120 shirts in stock. They sold 30 on Monday and sold 25 on Tuesday. What percentage of the shirts are left on the shelf at the end of the day on Tuesday? Round to the nearest percent.

54%

400

!! DAILY DOUBLE !!

Can wager any amount up to the amount of points your team has.

If you have less than 500 points, you can still wager up to 500.

Only you and your team can answer. If you get it wrong your team loses those points and no other team can steal.

Apple's stock price in January of 2023 was $130 per share. In January of 2024 the stock price was $187 per share. Now at the beginning of 2025 the stock price was $252 per share. Between which years did we see the highest percent increase in Apple's stock price?

400

A bicycle shop buys a bike for $400. They mark it up by 35%, then later put it on sale for 15% off the marked-up price.
After the sale, they still have to charge 8% sales tax.
What is the final price the customer pays?

$495.72

400

You invest $1000 in an account with a 7% interest rate. How much will be in the account after 27 months?

$1157.50

500

When dealing with a simple interest problem, the initial amount of money deposited or borrowed in an account is called the ___________  ______________.

Principle Investment

500

In a town of 3000 people, 13% are seniors and 50% are women. How many people in the town are neither seniors nor women?

1110 people

500

A city’s recycling program collected 2,400 tons of material last year. This year, they collected 2,820 tons.
Next year, they hope to increase the amount collected by the same percent as the increase from last year to this year. How many tons should they hope to collect? (Round answer to the nearest ton)

3,314 tons expected next year

500

A clothing store buys designer jackets for $90 each. The store marks up the jackets by 40% to set the original selling price.
After a few weeks, the store puts the jackets on sale for 25% off the marked-up price.
Finally, a 7% sales tax is added when a customer buys one.
What is the final price the customer pays?

$101.12

500

A borrower takes out a loan of $2,400 at a 5% simple interest rate.
After how many years will the total amount owed be $3,000?

5 years

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