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Q:

# What is 30 percent of \$60?

A:

Thirty percent of \$60 is \$18. The mathematical equation used to solve this problem is: 0.30 x \$60 = N. An alternative method is to multiply 30 by \$60 and then divide the answer by 100. Thus, 30 x \$60 = \$1,800, and \$1,800 / 100 = \$18.

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Percentage problems consist of three values: the base, the rate or percent, and the percentage or amount. The base is the quantity from which a percentage is taken. In the given equation, \$60 is the base, while 30 is the rate or percent. The percentage or amount, which is what this particular example seeks to find, is \$18.

Percentage problems are often useful in determining the final price of an item on clearance after a certain price deduction. For example if a dress originally costs \$50 and is marked 30 percent off, the equation \$50 x 0.30 = \$15 lets the shopper know she can expect to pay \$15 less than usual for the dress, or \$35.

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## Related Questions

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Percent elongation quantifies the ability of an element or compound to stretch up to its breaking point. It is measured by dividing the change in length (up to the breaking point) by the original length, then multiplying by 100. Materials with a higher percentage elongation can stretch more before breaking.

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Twenty percent of 30 is 6. "Percent" means "per 100," or "divided by 100," so calculating 20 percent entails multiplying by 20 and dividing by 100, which is the same as multiplying by 0.20.

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The product of 25 percent of 100 is 25. The best way to calculate percentages is to use what mathematicians call a proportion, which states that two ratios are equal to each other. All percentages can be converted into ratios using fractions in the following way: x % = x/100.