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math how to figure the percentage. If we have to calculate percent of a number divide the number by whole and multiply by 100. A percentage is a way to express a number as a part of a whole.
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Multiply the result by the percentage in its percentage form eg. Cross multiply to get y 100 200 25. In mathematics a percentage is a number or ratio that can be expressed as a fraction of 100.
For example find 5 percent of 70.
The difference between Part a and Part b is that in Part b we dont know Selenas grade on the final exam. Since 5000100 50 y 50. Set up the equation. To Calculate Percent of a Number use our Percentage of a Number Calculator.
