Mathematics
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OpenStudy (anonymous):
how would i simplify 55% in two a fraction
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OpenStudy (anonymous):
in its simplest form
OpenStudy (shadowfiend):
So first off, what is it in its non-simplified form?
OpenStudy (anonymous):
55 over a 100
OpenStudy (shadowfiend):
Exactly. Do you see something that you can divide evenly into both 55 and 100?
OpenStudy (anonymous):
5
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OpenStudy (shadowfiend):
Right. What is 55 / 5, and what is 100 / 5?
OpenStudy (anonymous):
11 and 20
OpenStudy (anonymous):
11 over 20
OpenStudy (anonymous):
what would be the simplest form of 11 over 20
OpenStudy (shadowfiend):
That is the simplest form, unless you can find something that divides evenly into both 11 and 20.
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OpenStudy (shadowfiend):
(You won't, because 11 is prime, which means that nothing divides evenly into it except for 1 and 11, and 11 does not divide evenly into 20)
OpenStudy (anonymous):
okay
OpenStudy (anonymous):
what about 75% as a fraction in simplest form
OpenStudy (anonymous):
75 over 100
OpenStudy (shadowfiend):
Right. So what divides evenly into those two?
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OpenStudy (anonymous):
5
OpenStudy (shadowfiend):
Ok, so divide those two by 5 and see what you get.
OpenStudy (anonymous):
15 over 20
OpenStudy (shadowfiend):
Right. Is there something that divides evenly into those two?
OpenStudy (anonymous):
5
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OpenStudy (anonymous):
so it would be 3 over 4
OpenStudy (shadowfiend):
Exactly :)
OpenStudy (anonymous):
okay um what about i 140%
OpenStudy (anonymous):
sorry did not mean to put i in there
OpenStudy (anonymous):
so it would be 1 and 40 over 100 right
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OpenStudy (anonymous):
and 10 can go into 40 and 100 so i would divide it by that right
OpenStudy (anonymous):
so it would be 4 over 10 then i would add the 1 then i would be 1 and 4 over 10
OpenStudy (shadowfiend):
Right. That's in mixed number form. If you want an improper fraction, then 1 is the same as 10/10, so it would be 14/10.
OpenStudy (anonymous):
okay
OpenStudy (anonymous):
so 175% would be 1 and 75 over 100 and divide that bye 5 which would equal to 1 and 3 over 4 right
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OpenStudy (shadowfiend):
Right on :)
OpenStudy (anonymous):
okay i think i got a hang of it thank you very much:)
OpenStudy (anonymous):
well gtg bye
OpenStudy (shadowfiend):
Cool. Good to hear :)
OpenStudy (anonymous):
umm sorry but what about 24%
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OpenStudy (anonymous):
it would equal to 24 over 100 divided by 2
OpenStudy (anonymous):
by 4
OpenStudy (shadowfiend):
Right.
OpenStudy (anonymous):
okay good
OpenStudy (anonymous):
6 over 25 is that simplified
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OpenStudy (anonymous):
never mind
OpenStudy (shadowfiend):
It looks like it.
OpenStudy (anonymous):
what would dived by to equal 92
OpenStudy (anonymous):
what would i divide by to get 92
OpenStudy (shadowfiend):
Um. What do you mean? 92 / 100?
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OpenStudy (anonymous):
yes sorry
OpenStudy (shadowfiend):
No problem :) 2 seems like a good fit. Remember all even numbers are divisible by 2.
OpenStudy (anonymous):
okay
OpenStudy (anonymous):
so it would be 42 right
OpenStudy (shadowfiend):
92/2 is 46. So you have 46 / 50. Can you divide that again?
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
by 2
OpenStudy (shadowfiend):
Right. So divide it by 2 again.
OpenStudy (anonymous):
so it would be 23 over 25
OpenStudy (shadowfiend):
Exactly :)
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OpenStudy (anonymous):
good
OpenStudy (anonymous):
what does 2 divided by 100 equal
OpenStudy (shadowfiend):
You can divide both by 2 again, right?
OpenStudy (anonymous):
okay
OpenStudy (anonymous):
shadow
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OpenStudy (anonymous):
well i have 9 over50 would that be right
OpenStudy (anonymous):
divide it by 2 again
OpenStudy (anonymous):
which would equal 4 over 25 right
OpenStudy (shadowfiend):
Wait, 9 over 50?
OpenStudy (anonymous):
oh that is the right answer okay
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OpenStudy (shadowfiend):
9 is not evenly divisible by 2, only by 3.
OpenStudy (shadowfiend):
Right :)
OpenStudy (anonymous):
shadow u saw my new question
OpenStudy (anonymous):
37 over 100 which would equal 37 over 50 right
OpenStudy (shadowfiend):
Hm. What did you divide by to get that?
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OpenStudy (anonymous):
wait hold on
OpenStudy (anonymous):
2
OpenStudy (shadowfiend):
You divided 100 by 2, but not 37.
OpenStudy (anonymous):
umm it would be 74 / 2 equals 2 right
OpenStudy (anonymous):
sorry i meant to say 74 over 100 sorry
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OpenStudy (anonymous):
so it would equal 37 over 50 right
OpenStudy (shadowfiend):
Ok, yeah, in that case that's right.
OpenStudy (anonymous):
okay good
OpenStudy (anonymous):
what would i multiply by if it was 43 over 100
OpenStudy (shadowfiend):
Nothing. That's already as simple as it can get.
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OpenStudy (anonymous):
so that is simplified as a percent into a fraction
OpenStudy (shadowfiend):
Sure.
OpenStudy (anonymous):
okay good
OpenStudy (anonymous):
how would i write a fraction as a percent like 4 over 5 what would that be as a percent
OpenStudy (shadowfiend):
So the trick here is that you want 5 to turn into 100. What do you have to multiply 5 by to get 100?
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OpenStudy (anonymous):
20
OpenStudy (shadowfiend):
So the trick here is that you want 5 to turn into 100. What do you have to multiply 5 by to get 100?
OpenStudy (shadowfiend):
Whoops, sorry.
OpenStudy (shadowfiend):
Right, so multiply the top and bottom by 5 and you get?
OpenStudy (anonymous):
20 over 100
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OpenStudy (shadowfiend):
So you have 4/5. If you multiply 4 by 20 you get 20?
OpenStudy (anonymous):
80 over 100
OpenStudy (anonymous):
3 over 20 what would i multiply that by?
OpenStudy (shadowfiend):
What do you need to multiply 20 by to get 100?
OpenStudy (anonymous):
so i would multiply that by 5
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OpenStudy (shadowfiend):
Right, top and bottom.
OpenStudy (anonymous):
okay i got 15 over 100
OpenStudy (shadowfiend):
Right :)