anonymous
  • anonymous
Can someone help me with this problem? I don't want the answer, I just want help. I'll post the question in the comments. It's a proportion question.
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
ill give it a shot
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
I tried doing it myself and got 65/35. But that doesn't match one of the answer choices and it couldn't be simplified to one of those.

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anonymous
  • anonymous
k give me a sec
anonymous
  • anonymous
Alright :)
anonymous
  • anonymous
I know what x is
anonymous
  • anonymous
Do you know how to solve it? I want to write it in my notes so I know how to do it later if a similar question comes up.
anonymous
  • anonymous
you cross multiply to find x
anonymous
  • anonymous
then plug x back in
anonymous
  • anonymous
alright you want the answer or do you wanna learn how solve it?
anonymous
  • anonymous
I want to know how to solve it. This is what I did but I think I did it wrong somewhere.
1 Attachment
anonymous
  • anonymous
you messed up
anonymous
  • anonymous
on the left it should be 20x+10
anonymous
  • anonymous
yea but you started off correct
anonymous
  • anonymous
yes
anonymous
  • anonymous
Oh, okay! That makes sense. Whoops.
anonymous
  • anonymous
now retry
anonymous
  • anonymous
I'll do it again and see what I get.
anonymous
  • anonymous
yea he's right
anonymous
  • anonymous
I got 3. Is that right?
freckles
  • freckles
this not too much shorter but notice if you multiply the fraction on the left hand side by 7/7 you will have the same denominator on both sides and therefore you can just set the numerators equal on both sides and solve for x: that is: 7(x-1)=4x+2
anonymous
  • anonymous
yes three is right for x
anonymous
  • anonymous
yes thats what i got
anonymous
  • anonymous
Okay, thank you! :)
anonymous
  • anonymous
now plug it back in
anonymous
  • anonymous
Does the question just want 3 or is it asking to plug in? I thought it just wanted 3. I'll plug in for x and see what I get.
anonymous
  • anonymous
oh jk 3 is right
anonymous
  • anonymous
you got it?
anonymous
  • anonymous
Yes, I think so. Thank you!
anonymous
  • anonymous
i believe its just 3 cause its C buty good job man
anonymous
  • anonymous
Thank you too @atreyu6s3x6
anonymous
  • anonymous
i wish i could medal myself

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