Percents Math

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 convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign. For example, 0.08 x 100 = 8%.

Front

What is 18% of $450?

Back

$81

Front

How do you find 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 30% of 400, calculate 400 x 0.30 = 120.

Front

What is 24% of 25?

Back

6

Front

If you have a budget of $9000 and spend 6% on flowers, how much do you spend?

Back

$540

Front

How do you express a fraction as a percent?

Back

To express a fraction as a percent, divide the numerator by the denominator, then multiply by 100. For example, 1/4 = 0.25 x 100 = 25%.

Front

What does it mean if a store has a 30% discount?

Back

A 30% discount means you pay 70% of the original price. For example, if an item costs $100, with a 30% discount, you pay $70.

Front

How do you calculate the percent increase?

Back

To calculate percent 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 percent increase is ((60-50)/50) x 100 = 20%.

Front

What is the formula for calculating percent decrease?

Back

Percent decrease = (Original Value - New Value) / Original Value x 100.