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1.00/.8 = 1.25 1.25 x the known number is your answer

Q: How do you determine 100 percent of a number when 80 percent of the number is known?

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100 x 100/10 x 15/100 = 150Therefore, 15 percent of that number would be 150.

100%

Since a number percent is just that number divided by 100, to convert a single number into a percent, multiply by 100. Thus 3.45 = 345% = 345/100.

Percent is based on the number 100.

15 percent of 100 is 15. There is a total of 100% in any number. 1% of 100 is 1. 2% of 100 is 2. 3% of 100 is 3 and so on.

Related questions

Divide the number by 20 to find 1% and times this by 100 to give 100%

30 percent as a decimal is 0.3 (divide a percent by 100 to get the decimal value)Multiply the number by 0.3 to determine 30% of the number.

To determine percentages less than 100, multiply the number by x/100. The same holds for percentages over 100 - for example, finding 250 percent of a number is equivalent to multiplying the number by 250/100, that is, 2.5.

25 percent as a decimal is 0.25 so you simply multiply the number by 0.25 to determine what 25% of the number is.Example: 25% of 100 = 0.25 x 100 = 25

To determine the equivalent percent of a number, multiply it by 100. For example: 0.72 = 0.72 x 100 = 72%

35% is just .35. You have to use the percent as a comparison in order to determine the number as a whole. Like 35% of 200 is 70.

To turn a number into a percent is multiply it by 100 and you get your percent.

if you have the known value and know that it is 20% all you have to do is take 100 and divide it by 20 which equals 4. Then multiply your known value by the number 4 that you found by taking 100% and dividing it by the percentage of the known value. * * * * * Unfortunately, 100/20 is 5, not 4! So you need to multiply by 5.

Divide the percent into 100 then multiply the result by the number that is that percent of the whole. For example, if 25% of your weekly wage is $65, then... 100 divided by 25 is 4. 4 times $65 = $260.

100 x 100/10 x 15/100 = 150Therefore, 15 percent of that number would be 150.

35 percent is 17.5. You are asking, what number is 100 percent. 1 percent is 17.5/35 = 0.5 100 percent is 0.5 times 100 = 50, that is the number.

To determine the percent, you divide the number you got correct by the total number possible and then multiply times 100. (127/161) x 100 = 78.9