If x + y = 3 and y/x= 2 then y = ?
(a) 0
(b) 1/2
(c) 1
(d) 3/2
(e) 2

• from the given data :
  
  y/(3-y) = 2
  => y= 6- 2y
  => y=2
  
  Correct answer option (e)2
• 12 years agoHelpfull: Yes(27) No(0)
• y=2
  x+y=3
  y=2x
  =>x+2x=3
  =>x=1
  y=2
• 12 years agoHelpfull: Yes(4) No(1)
• given, y/x=2 so y=2x.
  Substitute the value of y in the equation x+y=3
  x+2x=3
  x=1
  so y=2(as y =2x)
• 12 years agoHelpfull: Yes(1) No(3)
• x+y=3 and we can write x=y/2..so after solving we get y=2 i.e (e)
• 10 years agoHelpfull: Yes(1) No(0)
• Answer is option e...because
  x+y=3,y/x=2
  then y=2x;
  apply to first equation
  x+2x=3;3x=3; so we got x=1,then
  y=2(1) because x=1;
  y=2...
  
• 12 years agoHelpfull: Yes(0) No(1)
• ans: y=2
  x+y=3 -> y=3-x
  y/x=2
  substitute first equation in second..
  (3-x)/x = 2
  x=1
  y=3-x
  =3-1
  =2
  hence y=2
• 12 years agoHelpfull: Yes(0) No(0)
• e...sub y=2x....x+2x=3 ans is x=1...hence answer of equation wil be 2
• 12 years agoHelpfull: Yes(0) No(0)
• y=2x
  x+y=3
  3x=3
  x=1=>y=2
• 12 years agoHelpfull: Yes(0) No(0)
• given data: x+y=3->(1);y/x=2->(2)
  so y=2x sub in equ(1)
  then we get,x+2x=3
  now 3x=3
  therefore x=1
  sub x=1 in equ(1)
  so we get, 1+y=3
  therefore y=3-1=2
  so y=2
  option is (E)
• 12 years agoHelpfull: Yes(0) No(0)
• y/x=2
  y=2x
  x+y=3
  x+2x=3
  3x=3
  x=1
  y/1=2
  y=2
• 11 years agoHelpfull: Yes(0) No(0)
• (e) 2
  X+Y=3
  Y/X=2
  Y=2X
  X+2X=3
  3X=3
  X=1
  SO,
  Y+1=3
  Y=2
• 11 years agoHelpfull: Yes(0) No(0)
• y/x=2 thn y=2x and x=3-y
  so y=2(3-y)
  hence y=2
• 11 years agoHelpfull: Yes(0) No(0)
• if x+y=3 the take x in common we get x(1+y/x)=3. then substitute y/x=2 we get x(1+2)=3 then x=1 and y=2
• 11 years agoHelpfull: Yes(0) No(0)
• x/x + y/x = 3/x (Divide both sides by x)
  1 + 2 = 3/x
  or 3x = 3 or x =1
  then y = 2
  
  Ans (e)
  
• 11 years agoHelpfull: Yes(0) No(0)
• given y/x=2 so x=y/2
  now
  (y/2)+y=3
  3y=6
  y=2
• 11 years agoHelpfull: Yes(0) No(0)
• y=2x;
  x+2x=3;
  x=1, so
  y=2( since x+y=3)
  
• 11 years agoHelpfull: Yes(0) No(0)
• ans=y=2
  since y=2x
  so x+2x=3
  3x=3
  x=1
  so y=2
  
• 11 years agoHelpfull: Yes(0) No(0)
• answer is c) y=3-x
  3-x/x =2
  3-x=2x
  3=3x
  x=1
• 11 years agoHelpfull: Yes(0) No(0)
• ANS=2
  HERE GIVEN X+Y=3......(1)
  & Y/X=2
  OR Y=2X
  PUT THE VALUE OF Y IN EQUATION (1)
  X+Y=3
  X+2X=3
  X=1.
  PUT THE VALUE OF X IN EQUATION (1) WE GET
  X+Y=3
  1+Y=3
  Y=2 ans
• 11 years agoHelpfull: Yes(0) No(0)
• given y/x=2
  =>y=2x
  also given x+y=3
  substitute y=2x in above equation then
  =>x+2x=3
  =>3x=3
  =>x=1
  therefore y=2.
• 11 years agoHelpfull: Yes(0) No(0)
• e
  y=2x;
  3x=3;
  x=1;
  y=2..
• 11 years agoHelpfull: Yes(0) No(0)
• SUB Y=2X in x+y=3 gives x=1
  so y=2(1)=2
• 11 years agoHelpfull: Yes(0) No(0)
• y=2x
  x+2x=3 then x=1 but y=2x so y=2
• 11 years agoHelpfull: Yes(0) No(0)
• y/x=2...so,Y=2x
  x+2x=3,x=1..then y=2
• 10 years agoHelpfull: Yes(0) No(0)
• x+y=3......1
  and y/x=2 then y=2x put y=2x in equation 1
  x+2x=3
  3x=3 then x=1
  put x=1 in eqn then we get y=2(ans
  )
  
• 10 years agoHelpfull: Yes(0) No(0)
• x+y=3
  Y=2x
  x+2x=3
  hence x=1
  therefore y=2
  
• 10 years agoHelpfull: Yes(0) No(0)
• y=2x
  x=1
  y=2
• 10 years agoHelpfull: Yes(0) No(0)
• Answer is (e) i.e; 2
• 9 years agoHelpfull: Yes(0) No(0)
• As x + y = 3
  This implies
  on dividing the equation by x
  x/x + y/x = 3/x;
  1 + 2 = 3/x;
  as given y/x =2
  3 = 3/x;
  x = 3/3;
  x = 1;
  x+y = 3
  1 + y = 3
  y = 2
  so solution is: e)2
  
• 8 years agoHelpfull: Yes(0) No(0)