What is 20/400 written as a percent. Rounded to the Nearest tenth of a percent?
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OpenStudy (cakt07):
@TuringTest can you help with this question?
OpenStudy (texaschic101):
divide it, and what is the decimal you get ?
OpenStudy (cakt07):
0.05
OpenStudy (cakt07):
Wait, then i round it?
OpenStudy (texaschic101):
now, to turn a decimal into a percent, move the decimal over two spaces to the right, or, you can just multiply it by 100.
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OpenStudy (cakt07):
Okay i got 5
OpenStudy (texaschic101):
correct....5%
OpenStudy (cakt07):
OHHHHHHHH
OpenStudy (hanner_b_nanner):
you can use a proportion, too :)) 20/400=x/100...20x100=2000/400=5!
OpenStudy (cakt07):
Oh, Hold on i have to write this down in my notebook. So just wait k?
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OpenStudy (texaschic101):
thats true...a proportion will also work
OpenStudy (hanner_b_nanner):
I find it easier that way, but that's just me! :)
OpenStudy (cakt07):
Ok what about 9/36
OpenStudy (cakt07):
And i can round it to the nearest tenth if neccassary.
OpenStudy (hanner_b_nanner):
9/36=x/100... 900/36=25
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OpenStudy (texaschic101):
It might take a little longer to do it the way I do it. I usually turn the fraction to a decimal and then the decimal to a percent.
9 divided by 36 = n
n x 100 = your answer as a percent