Lesson 4.12 Finding the percentage

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare relative sizes or to describe how much of something there is in relation to a whole.

Front

How do you calculate the percentage of a tip based on a bill?

Back

To calculate the percentage of a tip, subtract the bill amount from the total amount paid, then divide the tip amount by the bill amount and multiply by 100.

Front

If a meal costs $42 and the customer leaves $50, what is the tip amount?

Back

The tip amount is $50 - $42 = $8.

Tags

CCSS.3.OA.D.8

Front

What formula is used to find the percentage decrease in price?

Back

Percentage Decrease = ((Original Price - Sale Price) / Original Price) x 100.

Tags

CCSS.6.RP.A.3C

Front

If a game originally costs $45 and is now $36.45, what is the percentage decrease?

Back

Percentage Decrease = ((45 - 36.45) / 45) x 100 = 19%.

Tags

CCSS.6.RP.A.3C

Front

What is the formula for calculating percentage markup?

Back

Percentage Markup = ((Selling Price - Cost Price) / Cost Price) x 100.

Tags

CCSS.6.RP.A.3C

Front

If a car costs $12,500 and is sold for $15,000, what is the percentage markup?

Back

Percentage Markup = ((15000 - 12500) / 12500) x 100 = 20%.

Tags

CCSS.6.RP.A.3C

Front

How do you find the percentage of a total amount?

Back

To find the percentage of a total amount, divide the part by the whole and multiply by 100.

Front

If a family spends $65 on a $55 bill, how much is the tip as a percentage of the bill?

Back

Tip = $65 - $55 = $10. Percentage = (10 / 55) x 100 = 18%.

Front

What does a markdown represent in retail?

Back

A markdown represents a reduction in the original selling price of an item.

Tags

CCSS.6.RP.A.3C