Pers Fin Flashcard 1 (Week 2), Percentages

Front

What is the formula to calculate a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 18% of $55, calculate 55 * 0.18.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate a tip based on a percentage?

Back

To calculate a tip, multiply the total bill amount by the tip percentage (in decimal form). For example, for an 18% tip on a $55 bill, calculate 55 * 0.18 = $9.90.

Tags

CCSS.6.RP.A.3C

Front

What does it mean to find the reduced price of an item on sale?

Back

Finding the reduced price means calculating the new price after applying a discount. For a 25% discount, multiply the original price by 0.75.

Tags

CCSS.6.RP.A.3C

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 72% becomes 0.72.

Front

What is the relationship between correct answers and total questions in a percentage score?

Back

The percentage score is calculated by dividing the number of correct answers by the total number of questions and then multiplying by 100.

Front

How do you find the original price before a discount?

Back

To find the original price before a discount, divide the sale price by (1 - discount rate). For example, if the sale price is $63.96 after a 20% discount, the original price is 63.96 / 0.8.

Tags

CCSS.6.RP.A.3C

Front

What is the formula to find what percentage one number is of another?

Back

To find what percentage one number is of another, divide the first number by the second number and multiply by 100. For example, to find what percentage 30 is of 38, calculate (30 / 38) * 100.

Front

What does a 20% discount mean in terms of price reduction?

Back

A 20% discount means the price is reduced by 20% of the original price. For example, if an item costs $79.95, the discount is 79.95 * 0.20.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate the final price after a discount?

Back

To calculate the final price after a discount, subtract the discount amount from the original price. For example, if the discount is $15.99 on a $79.95 item, the final price is 79.95 - 15.99.

Tags

CCSS.6.RP.A.3B

Front

What is the significance of rounding percentages in calculations?

Back

Rounding percentages can simplify calculations but may lead to slight inaccuracies. It's important to be aware of how rounding affects the final result.