SOLUTION: Which of the following fractions is the equivalent of 0.5% 1)1/20 2)1/200 3)1/2000 4)1/5 5)1/500 How do you work this out? Thanks

Question 30034: Which of the following fractions is the equivalent of 0.5%
1)1/20
2)1/200
3)1/2000
4)1/5
5)1/500
How do you work this out?
Thanks

Found 2 solutions by Cintchr, sdmmadam@yahoo.com:
Answer by Cintchr(481) (Show Source): You can put this solution on YOUR website!
.5%
when changing a percent to decimal format move the decimal point 2 places to the left.
.5% = .005
the 5 is in th 1000ths place
.005 = 5/1000
reduce the fraction
1/200

Answer by sdmmadam@yahoo.com(530) (Show Source): You can put this solution on YOUR website!
0.5%
0.5% means 0.5 per cent
(cent means 100)
Therefore 0.5 percent means 0.5 for every 100
That is (0.5)/100 = 5/1000 (shifting the decimal to the right by one place in the nr and hence one zero inclusion in the dr)
= 5/(5X200) = 1/200 (canceling 5)
Answer: 0.5% = 1/200
which is your choice (2)
Verification:(1/200) means 1 out of 200
Therefore what out of 100?
The answer is naturally (1/2) which is 0.5
how?
(1/200)X100 =(1/2) (canceling 100)
Note: You don't have to write anything of these things in the test. Just figure out orally and mark the right answer. This was just the teacher talking to you!
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