anonymous
  • anonymous
A carpenter makes legs for 3-legged stools and 4-legged tables. He makes a total of 57 legs. He could have made legs for how many 3-legged stools?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@zarax
anonymous
  • anonymous
@UsArmy3947
UsArmy3947
  • UsArmy3947
4 legged tables : x 3 legged stools : y x + y = 20 y= 20 - x 4x + 3y = 68 Replace y by 20 - x so we only have one letter 4x + 3(20 - x) =68 4x + 60 - 3x =68 x + 60 = 68 x = 8 To find y replace x by 8 y = 20 - 8 y = 12 So you have 8 four legged chairs and 12 three legged stools. Hope I helped!

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anonymous
  • anonymous
?
UsArmy3947
  • UsArmy3947
what are u people talk about i want my medal now
anonymous
  • anonymous
where does the 20 come from?
anonymous
  • anonymous
I don't understand this
anonymous
  • anonymous
me neither
UsArmy3947
  • UsArmy3947
ok i got this from yahoo answers they gave the guy as best response
anonymous
  • anonymous
He just wants someone 2 give him a medal
anonymous
  • anonymous
as far as i can see, he could have made \(57\div 3=19\) three legged stools
UsArmy3947
  • UsArmy3947
LIES what is that garbage
anonymous
  • anonymous
there is no other condition for this problem it does not say how many pieces of furniture were made it only asks, "if he made 57 legs, how many 3 legged stools could he have made?" and the answer is, if he made all stools, there would by 19 of them
anonymous
  • anonymous
@UsArmy3947 you got to read the question before you google, and read the answer once you have found something to see if it makes sense
anonymous
  • anonymous
there is no 19
anonymous
  • anonymous
57 is not divisible by 3?!
anonymous
  • anonymous
these are the answer choices A. 8 B. 9 C. 10 D. 11
UsArmy3947
  • UsArmy3947
hey who deleted that?
anonymous
  • anonymous
then there is something missing in the question
anonymous
  • anonymous
A carpenter makes legs for 3-legged stools and 4-legged tables. He makes a total of 57 legs. He could have made legs for how many 3-legged stools?
anonymous
  • anonymous
Ops, sorry. Let number of the 3-legged thing is x and 4-legged thing is y. leg numbers: 3*x+4*y = 57 So we are looking for the maximum value of x. Try this: 57 divisible by 3 but he made legs for both 3-legged and 4-legged things so he cant use all of this for 3-legged thing, so subtract 4, it is 53 53 is not divisible by 3, so subtract 4, it is 49 49 is not divisible by 3, su subtract 4, it is 45 45 is divisible by 3 and it is 15. He can make 15 3-legged something.
anonymous
  • anonymous
That is correct answer, i think
anonymous
  • anonymous
is this the entire question A carpenter makes legs for 3-legged stools and 4-legged tables. He makes a total of 57 legs. ?
anonymous
  • anonymous
yes
anonymous
  • anonymous
A carpenter makes legs for 3-legged stools and 4-legged tables. He makes a total of 57 legs. He could have made legs for how many 3-legged stools? A. 8 B. 9 C. 10 D. 11
anonymous
  • anonymous
then something is missing maybe the total number of pieces he made
anonymous
  • anonymous
I think
anonymous
  • anonymous
oooh i see maybe what it is asking, it is giving you choices and you have to pick the one that is possible!
anonymous
  • anonymous
ok lets try 8 if he made 8 stools then he made \(3\times 8=24\) legs for stools that leaves \(57-24=33\) legs for tables
anonymous
  • anonymous
but that cannot be right because the number of legs for tables must be divisible by 4
anonymous
  • anonymous
UsArmy! Who is ur gf?
anonymous
  • anonymous
and 33 is not lets try again with the next number
anonymous
  • anonymous
ok
anonymous
  • anonymous
\(9\times 3=27\) and \(57-27=30\) but 4 does not go in to 30 evenly so that one is out too
anonymous
  • anonymous
ok
UsArmy3947
  • UsArmy3947
hey who is the punk that keeps deleting it?
anonymous
  • anonymous
10 does not work either because \(3\times 10=30\) and \(57-30=27\) four does not go in to 27
UsArmy3947
  • UsArmy3947
show ur face u coward
UsArmy3947
  • UsArmy3947
i bet he is in here
anonymous
  • anonymous
and finally we try 11
anonymous
  • anonymous
oh so it's 11?
anonymous
  • anonymous
\(3\times 11=33\) and \(57-33=24\) which IS divisible by 4 so it is 11
UsArmy3947
  • UsArmy3947
hey now the punk gave me a warning
anonymous
  • anonymous
oh ok thanks.
UsArmy3947
  • UsArmy3947
if hes here lets go to chat
anonymous
  • anonymous
Yay it's11 I told u Satellite73 lol
anonymous
  • anonymous
we needed to understand the question without the answer choices it did not make much sense
anonymous
  • anonymous
I got it correct. thanks
anonymous
  • anonymous
yw
anonymous
  • anonymous
lol satellite u delete it

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