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Mathematics
24 January, 09:23
What is 8 percent of two hundred
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Emilie Bridges
24 January, 09:28
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1. We assume, that the number 200 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 200, so we can write it down as 100%=200.
4. We know, that x% equals 8 of the output value, so we can write it down as x%=8.
5. Now we have two simple equations:
1) 100%=200
2) x%=8
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=200/8
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.
7. Solution for 8 is what percent of 200
100%/x%=200/8
(100/x) * x = (200/8) * x - we multiply both sides of the equation by x
100=25*x - we divide both sides of the equation by (25) to get x
100/25=x
4=x
x=4
now we have:
8 is 4% of 200
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Alannah Sanders
24 January, 09:51
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8% of 200
8%=0.08
In algebra, 'of' usually mean multiply.
0.08*200=16
16 is 8% of 200
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