Percents

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 the total cost including sales tax?

Back

To calculate the total cost including sales tax, multiply the original price by the sales tax rate (as a decimal) and add it to the original price.

Front

What is the formula to find the percent of change?

Back

Percent of change = (New Value - Old Value) / Old Value x 100%.

Front

If an item costs $50 and is on sale for 20% off, how much do you save?

Back

You save $10. (20% of $50 = $10).

Front

How do you calculate the final price after applying a discount?

Back

Final Price = Original Price - Discount Amount.

Front

What is the percent of 30 out of 50?

Back

60%. (30/50 x 100 = 60%).

Front

If you scored 18 out of 20 on a test, what percent did you score?

Back

90%. (18/20 x 100 = 90%).

Front

What does a 30% discount mean?

Back

A 30% discount means you pay 70% of the original price.

Front

How do you find the total bill after a tip?

Back

Total Bill = Original Bill + (Tip Percentage x Original Bill).

Front

If a sweater costs $40 and the sales tax is 5%, what is the total cost?

Back

Total Cost = $40 + ($40 x 0.05) = $42.