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 the percentage of a number?

Back

To calculate the percentage of a number, multiply the number by the percentage (in decimal form) and then divide by 100.

Front

What is the formula for calculating discount?

Back

Discount = Original Price × Discount Rate.

Front

If an item costs $100 and has a 20% discount, what is the discount amount?

Back

The discount amount is $20.

Front

How do you find the new price after a discount?

Back

New Price = Original Price - Discount Amount.

Front

If a lamp originally costs $119 and is discounted by $29.75, what is the new price?

Back

The new price is $89.25.

Front

What is the formula to find the percentage of correct answers on a quiz?

Back

Percentage of correct answers = (Number of correct answers / Total questions) × 100.

Front

Sally got 22 questions wrong on a 40-question quiz. What percentage did she get wrong?

Back

She got 55% of the questions wrong.

Front

What is the formula for calculating savings?

Back

Savings = Original Price - Sale Price.

Front

If a sofa is on sale for $180 and the original price was $360, what is the savings?

Back

The savings is $180.