0.6 Percent Proportion

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 10% of 250?

Back

25

Front

If 225 out of 250 seats are sold, how do you find the percentage of empty seats?

Back

Subtract the number of sold seats from the total seats (250 - 225 = 25), then divide by total seats (25/250) and multiply by 100 to get 10%.

Front

What is 20% of 75?

Back

15

Front

How do you find what number a percentage represents?

Back

To find what number a percentage represents, divide the percentage value by the percentage (in decimal form). For example, to find what number 40% of 36 is, use the formula: 36 / 0.4 = 90.

Front

What is 40% of 90?

Back

36

Front

What is 30% of 50?

Back

15

Front

If 200 children attended a play and 40% were boys, how many were girls?

Back

To find the number of girls, first calculate the number of boys: 40% of 200 = 80 boys. Then subtract from total: 200 - 80 = 120 girls.

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) x 100.