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

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16y ago

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How do you determine 100 percent of a number when 80 percent of the number is unknown?

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


How do you get 30 percent of a number?

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.


How do you determine percentages greater than 100?

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.


How do you do 25 percent of anything?

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


How do i calculate percent?

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


What number is 100 percent of 36?

100 percent of a number is the number itself. Therefore, 100 percent of 36 is 36.


How do you turn a number into percent?

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


What is 3.5 percent as a number?

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.


Find a number when a percent is known?

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.


How do you figure out 100 percent percent if 20 percent is known?

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.


If 10 percent of a number is 100 what is 15 percent of that number?

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


35 percent is 17.5 of what number?

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.