Percents

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

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 then multiply by 100. For example, 1/4 = (1 ÷ 4) × 100 = 25%.

Front

What is 150% of $20?

Back

$30

Front

How do you find a percentage of a number?

Back

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

Front

What percent of 20 is 10?

Back

50% (because 10 is half of 20).

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 the percent symbol. For example, 0.75 = 0.75 × 100 = 75%.

Front

What is 20% of $50?

Back

$10

Front

A garden has 10 tulips, 4 rose bushes, and 6 sunflowers. What percent of the garden is tulips?

Back

50% (because there are 10 tulips out of a total of 20 plants).

Front

What is the formula for calculating a tip?

Back

Tip = Total Bill × Tip Percentage (as a decimal). For example, for a $50 bill and a 20% tip, Tip = $50 × 0.20 = $10.

Front

Dinner at the Olive Garden cost $52.37. You leave a 20% tip. What is the cost of the tip?

Back

$10.47