Percent Practice

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 '%'.

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 60, calculate 60 * 0.30 = 18.

Front

What does it mean if 18 is 30% of a number?

Back

It means that 18 is 30 out of every 100 parts of that number. To find the number, divide 18 by 0.30, which equals 60.

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 the formula to calculate the total number when given a part and its percentage?

Back

The formula is: Total = Part / (Percentage in decimal form). For example, if 540 is 60%, then Total = 540 / 0.60 = 900.

Front

If 21 is what percent of 60, how do you find the percent?

Back

To find the percent, use the formula: Percent = (Part / Whole) * 100. Here, Percent = (21 / 60) * 100 = 35%.

Front

What is the relationship between percentages and fractions?

Back

Percentages can be converted to fractions by placing the percentage over 100 and simplifying. For example, 25% = 25/100 = 1/4.

Front

How do you find what number is a certain percentage of another number?

Back

To find what number is a certain percentage of another number, multiply the total number by the percentage (in decimal form). For example, to find 45% of 90, calculate 90 * 0.45 = 40.5.

Front

What does it mean if 540 people preferred walking, and that represents 60% of those surveyed?

Back

It means that 540 is 60% of the total number of people surveyed. To find the total, divide 540 by 0.60, which equals 900.

Front

How do you express 30% as a decimal?

Back

To express 30% as a decimal, divide by 100. So, 30% = 30 ÷ 100 = 0.30.