Percent Problems

Front

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

Back

To calculate a percentage of a number, use the formula: (Percentage / 100) * Number.

Front

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

Back

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

Front

What is 40% of 50?

Back

20

Front

If 25% of a number is 15, what is the number?

Back

The number is 60.

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 multiply by 100.

Front

What is the percentage increase if a price goes from $50 to $75?

Back

The percentage increase is 50%.

Front

If a student scores 18 out of 20 on a test, what is their percentage score?

Back

The percentage score is 90%.

Front

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

Back

Percentages are a way to express a number as a fraction of 100. Decimals can be converted to percentages by multiplying by 100.

Front

How do you calculate the total number of students if 40% take the bus and 20 students take the bus?

Back

If 40% of the total number of students is 20, then the total number of students is 50.

Front

What is 15% of 200?

Back

30