Percents

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare ratios and express discounts, interest rates, and other statistics.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

What does it mean to find 75% of a number?

Back

Finding 75% of a number means calculating three-quarters of that number. For example, 75% of 64 is 64 x 0.75 = 48.

Front

If a store offers a 20% discount, how much do you pay?

Back

You pay 80% of the original price. For example, if an item costs $100, you pay $100 x 0.80 = $80.

Front

What is 50% of a number?

Back

50% of a number is half of that number. For example, 50% of 30 is 30 x 0.50 = 15.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and multiply by 100. For example, 1/4 = (1 ÷ 4) x 100 = 25%.

Front

What is the formula to find the total when given a part and a percent?

Back

The formula is: Total = Part / (Percent in decimal form). For example, if 30 is 60% of a total, then Total = 30 / 0.60 = 50.

Front

If 35% of a number is 70, what is the number?

Back

To find the number, use the formula: Number = Part / Percent. Here, Number = 70 / 0.35 = 200.

Front

How do you find the percentage increase?

Back

To find the percentage increase, subtract the original value from the new value, divide by the original value, and multiply by 100. For example, if a price increases from $50 to $60, the increase is (($60 - $50) / $50) x 100 = 20%.

Front

What is the relationship between fractions, decimals, and percents?

Back

Fractions, decimals, and percents are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.