Accelerated Math - Percent Application Review

Front

What is Percent of Change?

Back

Percent of Change is a measure of how much a quantity has increased or decreased relative to its original value, expressed as a percentage.

Front

How do you calculate Percent of Change?

Back

Percent of Change = ((New Value - Original Value) / Original Value) x 100.

Front

If an item costs $50 and is now $60, what is the Percent of Change?

Back

Increase 20%.

Front

What does a coupon that saves 30% mean?

Back

It means you will pay 70% of the original price after applying the discount.

Front

If a baseball cap costs $30 and has a 30% discount, how much do you pay?

Back

You pay $21.00.

Front

What is Percent Error?

Back

Percent Error is a measure of how inaccurate a measurement is, expressed as a percentage of the actual value.

Front

How do you calculate Percent Error?

Back

Percent Error = (|Measured Value - Actual Value| / Actual Value) x 100.

Front

If the measured length is 12 cm and the actual length is 14.25 cm, what is the Percent Error?

Back

15.8%.

Front

What is Sales Tax?

Back

Sales Tax is a percentage added to the price of goods and services, collected by the seller.

Front

How do you calculate the final price with sales tax?

Back

Final Price = Original Price + (Original Price x Sales Tax Rate).