Percentages

Front

What is the formula to calculate the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) x 100

Front

If 40% of a trip is completed and 90 miles have been traveled, how do you find the total distance of the trip?

Back

Total Distance = Traveled Distance / (Percentage Completed / 100) = 90 / (40 / 100) = 225 miles.

Front

How do you calculate the percentage of a specific item in a group?

Back

Percentage = (Number of Specific Items / Total Number of Items) x 100.

Front

What is the percentage of Snickers if there are 15 Snickers out of 25 total pieces of candy?

Back

Percentage of Snickers = (15 / 25) x 100 = 60%.

Front

How do you find the total number of items if you know the number of one type and its percentage?

Back

Total = Number of Items / (Percentage / 100).

Front

What does a percentage of 25% represent in terms of a whole?

Back

25% means that 25 out of every 100 parts are represented.

Front

If a store has a 20% off sale and a customer saves $8, how do you find the original price?

Back

Original Price = Amount Saved / (Discount Percentage / 100) = 8 / (20 / 100) = $40.

Front

What is the relationship between fractions and percentages?

Back

A percentage is a fraction out of 100. To convert a fraction to a percentage, multiply by 100.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100.

Front

What is the percentage increase formula?

Back

Percentage Increase = ((New Value - Original Value) / Original Value) x 100.