Solving Percent Problems

Front

What is a percent?

Back

A percent is a way of expressing 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 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 30% of 50, calculate 50 * 0.30 = 15.

Front

What is 30% of 50?

Back

15

Front

What is 90% of 250?

Back

225

Front

What is 15% of 82?

Back

12.3

Front

How do you find what number a percentage represents?

Back

To find what number a percentage represents, divide the part by the percentage (in decimal form). For example, if 16 is 25% of a number, the number is 16 / 0.25 = 64.

Front

16 is 25% of what number?

Back

64

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) * 100.

Front

Sally got 22 questions wrong on her quiz that had 40 questions on it. What is the percentage of the questions she got wrong?

Back

55%.

Front

How do you convert a fraction to a percentage?

Back

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