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Re: 2.5% of 16 =?

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aalchemical is not online. aalchemical
Joined: 24 Apr 2012
Total Posts: 22203
28 Jan 2015 09:57 PM
i need to show work help

Shishishishishi!
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skelly20 is not online. skelly20
Joined: 25 Nov 2010
Total Posts: 4040
28 Jan 2015 09:59 PM
3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651328230664709384460955058223172535940812848111745028410270193852110555964462294895493038196442881097566593344612847564823378678316527120190914564856692346034861045432664821339360726024914127372458700660631558817488152092096282925409171536436


hi u ok?
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ZZRocks is not online. ZZRocks
Joined: 14 Dec 2008
Total Posts: 29283
28 Jan 2015 10:00 PM
one way to do it

16/100 = .16

.16 * 2.5 = .4

.4 is yo answer
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aalchemical is not online. aalchemical
Joined: 24 Apr 2012
Total Posts: 22203
28 Jan 2015 10:00 PM
this is 6th grade make it easier

Shishishishishi!
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ZZRocks is not online. ZZRocks
Joined: 14 Dec 2008
Total Posts: 29283
28 Jan 2015 10:03 PM
ok

turn 2.5% into it's decimal form = .025

.025 * 16 = 0.4
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aalchemical is not online. aalchemical
Joined: 24 Apr 2012
Total Posts: 22203
28 Jan 2015 10:06 PM
ugh confused

Shishishishishi!
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ZZRocks is not online. ZZRocks
Joined: 14 Dec 2008
Total Posts: 29283
28 Jan 2015 10:07 PM
what's there to confused about?

what part doesn't make sense?
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aalchemical is not online. aalchemical
Joined: 24 Apr 2012
Total Posts: 22203
28 Jan 2015 10:11 PM
it makes sense but like

i dont think thats the way my teacher wants me to do it as

tbh idk i forgot how to do it

Shishishishishi!
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injury is not online. injury
Joined: 07 Nov 2009
Total Posts: 27951
28 Jan 2015 10:12 PM
1. convert the percent to a decimal by moving the decimal over 2 places

2.5% would become 0.25

2. multiply 0.25 by 16

3. ???

4. profit
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ZZRocks is not online. ZZRocks
Joined: 14 Dec 2008
Total Posts: 29283
28 Jan 2015 10:14 PM
@injury

that would be 25%

@aalchemical

don't you have a textbook of some sort?
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aalchemical is not online. aalchemical
Joined: 24 Apr 2012
Total Posts: 22203
28 Jan 2015 10:20 PM
i have a book to do it from but it just tells the problems not what to do lol

Shishishishishi!
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ZZRocks is not online. ZZRocks
Joined: 14 Dec 2008
Total Posts: 29283
28 Jan 2015 10:23 PM
did you take notes of any kind?
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aalchemical is not online. aalchemical
Joined: 24 Apr 2012
Total Posts: 22203
28 Jan 2015 10:26 PM
no we use our notebooks to write down answers

its weird ok

Shishishishishi!
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Vanilla981 is not online. Vanilla981
Joined: 07 Aug 2008
Total Posts: 13613
28 Jan 2015 10:29 PM
proportions, you not know that?

'Cause baby when it rains you're the only one I want next to me
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magical555 is not online. magical555
Joined: 05 Feb 2011
Total Posts: 19749
28 Jan 2015 10:32 PM
% part
--- = ------
100 whole

2.5 x
--- = -- cross-multiply(100 times x, 2.5 times 16)
100 16

100x = 40

now seperate x and 100 by dividing 100 on each side

100x 40
---- = ---
100 100

x = .4
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