Percent Applications

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

What does 'discount' mean in terms of percent applications?

Back

A discount is a reduction in the original price of an item, often expressed as a percentage.

Front

If an item costs $100 and is on sale for 20% off, how much do you pay?

Back

You pay $80. (100 - (100 x 0.20) = 80)

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What is 'percent error'?

Back

Percent error is a measure of how inaccurate a measurement is, expressed as a percentage of the true value.

Front

How do you calculate percent error?

Back

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

Front

What is a commission?

Back

A commission is a fee paid to an employee based on the sales they make, often expressed as a percentage of the sale.

Front

If a salesperson earns a 10% commission on a $200 sale, how much do they earn?

Back

They earn $20. (200 x 0.10 = 20)

Front

What is a tip?

Back

A tip is a small amount of money given to service workers, often calculated as a percentage of the total bill.

Front

How do you calculate a tip?

Back

To calculate a tip, multiply the total bill by the tip percentage (in decimal form). For example, a 15% tip on a $50 bill is 50 x 0.15 = $7.50.