Percentage Problems

Front

What is a percentage?

Back

A percentage is a fraction expressed as a part of 100. It represents how much of one quantity is contained in another.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply the result by 100.

Front

What is the formula to find a percentage of a number?

Back

The formula to find a percentage of a number is: (Percentage / 100) * Total Number.

Front

How do you calculate the percentage increase?

Back

Percentage increase is calculated using the formula: ((New Value - Old Value) / Old Value) * 100.

Front

How do you calculate the percentage decrease?

Back

Percentage decrease is calculated using the formula: ((Old Value - New Value) / Old Value) * 100.

Front

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

Back

Percentages can be converted to fractions by placing the percentage over 100 and simplifying. They can also be converted to decimals by dividing by 100.

Front

How do you solve for a variable in a linear equation?

Back

To solve for a variable in a linear equation, isolate the variable on one side of the equation using algebraic operations.

Front

What does it mean to find 'x% of y'?

Back

Finding 'x% of y' means calculating (x / 100) * y.

Front

How do you determine what percentage one number is of another?

Back

To determine what percentage one number (A) is of another number (B), use the formula: (A / B) * 100.

Front

What is the formula for solving a linear equation in two variables?

Back

The general form of a linear equation in two variables is: Ax + By = C, where A, B, and C are constants.