Percents

Front

What is the process to convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 6% becomes 0.06.

Front

If 65% of students buy lunch, how do you calculate the number of students who do not buy lunch?

Back

To find the number of students who do not buy lunch, first calculate 65% of the total number of students, then subtract that number from the total. For 100 students, 65% is 65, so 100 - 65 = 35 students do not buy lunch.

Front

What fraction is equivalent to 50%?

Back

50% is equivalent to the fraction 1/2.

Front

How do you calculate the percentage of boys in a class?

Back

To calculate the percentage of boys in a class, divide the number of boys by the total number of students and multiply by 100. For example, if there are 12 boys in a class of 16, the percentage of boys is (12/16) * 100 = 75%.

Front

What is the formula to find the percentage of a part compared to a whole?

Back

The formula to find the percentage is: (Part/Whole) * 100.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, divide the first number by the second number and multiply by 100. For example, to find what percent 25 is of 100, calculate (25/100) * 100 = 25%.

Front

What is the percentage of non-fiction books if there are 90 non-fiction books and 110 fiction books?

Back

To find the percentage of non-fiction books, first find the total number of books: 90 + 110 = 200. Then, calculate (90/200) * 100 = 45%.

Front

What does it mean to express a percentage as a fraction?

Back

Expressing a percentage as a fraction means converting the percentage into a fraction form. For example, 25% can be expressed as 25/100, which simplifies to 1/4.

Front

How do you convert a decimal back to a percentage?

Back

To convert a decimal back to a percentage, multiply the decimal by 100. For example, 0.06 becomes 6%.

Front

What is the relationship between fractions, decimals, and percentages?

Back

Fractions, decimals, and percentages are different ways to represent the same concept of a part of a whole. They can be converted from one form to another.