Percent Proportion Review

Front

What is the definition of percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

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 20% of 50, calculate 50 * 0.20 = 10.

Front

What is 50% of 200?

Back

100

Front

What is the formula to find the total amount when given a part and the percentage?

Back

The formula is: Total = Part / (Percentage / 100).

Front

If 25% of a number is 30, what is the number?

Back

120

Front

What is 10% of 90?

Back

9

Front

How do you express 30 out of 150 as a percentage?

Back

To express it as a percentage, use the formula: (Part/Whole) * 100. So, (30/150) * 100 = 20%.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 = 0.25 = 25%.

Front

What is 15% of 60?

Back

9

Front

How do you set up the equation for finding 80% of 250?

Back