12/12/24 Review Mastering Percent Flashcard

Front

What is the formula to calculate the sale price after a discount?

Back

Sale Price = Original Price - (Discount Percentage × Original Price)

Front

If a shirt costs $10 and is on sale for 25% off, what is the sale price?

Back

$7.50

Front

What is simple interest?

Back

Simple interest is calculated using the formula: Interest = Principal × Rate × Time.

Front

How much interest will you earn on a $2000 deposit at a 5% interest rate over 3 years?

Back

$300

Front

What is percent error?

Back

Percent error is calculated as: Percent Error = |Estimated Value - Actual Value| / Actual Value × 100%.

Front

If a student estimates a book weighs 2 pounds but it actually weighs 2.5 pounds, what is the percent error?

Back

20%.

Front

What is the total amount in a savings account after 5 years if $1,500 is invested at a 4% simple interest rate?

Back

$1,800.

Front

How do you calculate the total amount after interest is applied?

Back

Total Amount = Principal + Interest.

Front

What is the formula for calculating percent change?

Back

Percent Change = (New Value - Old Value) / Old Value × 100%.

Front

If the estimated attendance for a game is 15,000 but only 12,500 attended, what is the percent error?

Back

20%.