Topic 6: 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 how much of something there is in relation to a whole.

Front

How do you calculate 50% of a number?

Back

To calculate 50% of a number, divide the number by 2.

Front

What is the formula to find the percent of a quantity?

Back

The formula is: (Part/Whole) x 100 = Percent.

Front

If you have 10 items and 4 are red, what percent of the items are red?

Back

(4/10) x 100 = 40%.

Front

How do you find 5% of a number?

Back

To find 5% of a number, multiply the number by 0.05.

Front

What is 150% of $20?

Back

$30.

Front

If a car costs $1,000 and there is a 5% tax, what is the total cost?

Back

$1,050.

Front

What percent of 200 is 80?

Back

(80/200) x 100 = 40%.

Front

How do you convert a fraction to a percent?

Back

Divide the numerator by the denominator and multiply by 100.

Front

What is the percent increase if a price goes from $50 to $70?

Back

((70-50)/50) x 100 = 40% increase.