how to calculate percentage with different weights?
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All you have to do is convert the percentage the assignment is worth into a decimal and multiply that by your grade. To convert, just divide the percentage of your final grade the assignment represents by 100. So your 10 percent assignments turn into a weighted factor of 10 / 100 = 0.1, and your exam is 50 / 100 = 0.5.
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Generally, the way to figure out any percentage is to multiply the number of items in question, or X, by the decimal form of the percent. To figure out the decimal form of a percent, simply move the decimal two places to the left. For example, the decimal form of 10 percent is 0.1.
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To calculate the percentage increase: First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100.
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['Convert the fraction part of the mixed number to a decimal: Divide the numerator by the denominator.', 'Add the decimal to the whole number part of the mixed number.', 'Convert the decimal to a percent: Multiply the decimal number by 100.']
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['Input marks of five subjects. ... ', 'Calculate sum of all subjects and store in total = eng + phy + chem + math + comp .', 'Divide sum of all subjects by total number of subject to find average i.e. average = total / 5 .', 'Calculate percentage using percentage = (total / 500) * 100 .']
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Divide the grams of solute by milliliters of solution (result of Step 1 divided by result of Step 2). Multiply the resulting number (of Step 3) by 100 to get the percent weight per volume.
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Simply subtract the before value from the after value; then divide by the before value. Multiply the result by 100. Add a % sign and that is your percentage change.
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['First: work out the difference (increase) between the two numbers you are comparing.', 'Increase = New Number - Original Number.', 'Then: divide the increase by the original number and multiply the answer by 100.', '% increase = Increase ÷ Original Number × 100.']
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The formula to calculate your weight loss percentage is: lbs lost divided by starting weight. Then, multiply the result by 100. So, if your starting weight is 150lbs and you lost 5lbs, you've lost 3.33% of your body weight. Note: Please keep in mind, this calculates total weight loss including muscle.
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How do you work out the percentage of something? To calculate what percentage the number A is of B, you can simply divide A by B and then multiply by 100 or simply move the decimal place to the right twice. So for example the percentage 2 is of 4 is 2/4*100 = 0.5*100 = 50%.
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Calculating the Percent In finding the percent of a number, divide the percentage by the quantity then multiply the product by 100. Put a percent symbol (%) after the final product. If the percentage is greater than the quantity, this means that the percent is greater than 100%.
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Divide the weight of the second gas by the mass of the mixture, and then multiply by 100 to calculate the weight percent.
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First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number then this is a percentage decrease.
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['Percent implies “for every hundred”. ... ', 'To calculate p % of y. ... ', 'To find what percentage of x is y: y/x × 100.', 'To calculate percentage change in value. ... ', 'Percentage point change = Difference of two percentage figures.', 'Increase N by S % = N( 1+ S/100 )', 'Decrease N by S % = N (1 – S/100)']
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First, work out the difference (decrease) between the two numbers you are comparing. Next, divide the decrease by the original number and multiply the answer by 100. If the answer is a negative number, this is a percentage increase.
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['Step 1: Write down the percent divided by 100 like this: percent 100.', 'Step 2: If the percent is not a whole number, then multiply both top and bottom by 10 for every number after the decimal point. ... ', 'Step 3: Simplify (or reduce) the fraction.']
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Calculate the percentage average: To find the average percentage of the two percentages in this example, you need to first divide the sum of the two percentage numbers by the sum of the two sample sizes. So, 95 divided by 350 equals 0.27. You then multiply this decimal by 100 to get the average percentage.