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Percentage Calculator Quiz

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Questions and Answers

If 25 is 20% of what number, which formula would you use to find the number?

X/Y = P x 100

P% * X = Y

Y/P% = X (correct)

Y/X = P%

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

Y/P% = X

Y/X = P%

P% * X = Y (correct)

X/Y = P x 100

How do you find what percent of X is Y?

P% * X = Y

X/Y = P x 100

Y/P% = X

Y/X = P% (correct)

How do you convert a percentage to a decimal?

<p>Move the decimal point two places to the left</p> Signup and view all the answers

What is the basic formula for percentage problems?

<p>X/Y = P x 100</p> Signup and view all the answers

Study Notes

Percentage Formulas

To find the number of which 25 is 20%, use the formula: number = 25 / 0.20
The formula to calculate the percentage of a number is: percentage = (part/whole) × 100
To find what percent of X is Y, use the formula: percentage = (Y/X) × 100
To convert a percentage to a decimal, divide by 100: decimal = percentage ÷ 100
The basic formula for percentage problems is: percentage = (part/whole) × 100

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Description

Test your knowledge of percentage calculations with this quiz. Explore various formulas and methods for finding percentages, adding or subtracting percentages from numbers, and solving percentage equations.