Unit 6 review - 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 a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, 15% of 200 is 200 * 0.15 = 30.

Front

What is the formula to calculate the total cost after a tip?

Back

Total Cost = Original Cost + (Tip Percentage * Original Cost).

Front

If a meal costs $29.99 and a 15% tip is added, what is the total cost?

Back

Total Cost = $29.99 + ($29.99 * 0.15) = $34.49.

Front

How do you find the discount amount on a sale item?

Back

Discount Amount = Original Price * Discount Percentage.

Front

What is the discount on a $55 item with a 25% discount?

Back

Discount = $55 * 0.25 = $13.75.

Front

What is markup in pricing?

Back

Markup is the amount added to the cost price of goods to cover overhead and profit.

Front

If an item costs $40 and has an 80% markup, what is the selling price?

Back

Selling Price = Cost + (Markup Percentage * Cost) = $40 + ($40 * 0.80) = $72.

Front

What does a percent change represent?

Back

Percent change represents the degree of change over time, calculated as (New Value - Old Value) / Old Value * 100%.

Front

How do you calculate percent change?

Back

Percent Change = ((New Price - Old Price) / Old Price) * 100%.