Percent Basics Review

Front

What is the formula to calculate the amount of money taken off during a markdown?

Back

Amount off = Original Price x Markdown Percentage.

Front

If an item originally costs $50 and is marked down by 20%, what is the amount taken off?

Back

$10.

Front

How do you find what percent one number is of another?

Back

Use the formula: Percent = (Part / Whole) x 100.

Front

What is 25% of 200?

Back

50.

Front

If 30 is 60% of what number, how do you find the whole?

Back

Whole = Part / Percent = 30 / 0.6 = 50.

Front

What is the percent equation?

Back

Part = Whole x Percent.

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

Front

What is 15% of 80?

Back

12.

Front

If a shirt costs $40 and is on sale for 30% off, what is the sale price?

Back

Sale Price = Original Price - (Original Price x Discount) = $40 - ($40 x 0.3) = $28.

Front

How do you calculate the percentage increase from 50 to 75?

Back

Percentage Increase = ((New Value - Old Value) / Old Value) x 100 = ((75 - 50) / 50) x 100 = 50%.