SOLUTION: pls help me to answer, if x:y and x+y=20, find y

Question 921428: pls help me to answer, if x:y and x+y=20, find y
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
if x:y and x+y=20, find y
-------------
Comment: You need to know the constant of proportionality
for x and y.
----
Example::
If x:y = 2, x = 2y
Then 2y + y = 20
3y = 20
y = 6 2/3
x is then 13 1/3
================
Cheers,
Stan H.
==================
RELATED QUESTIONS
pls help me to answer: if x:y=2:3 and x+y=20, find... (answered by josgarithmetic)

pls help me to answer: z is directly proportional to x and inversely to the square of y.... (answered by Alan3354,MathLover1)

please help me! can someone pls? :( solve the problem. if y varies inversely as x, (answered by stanbon,Tatiana_Stebko)

can someone help me pls? solve. if y varies directly as x, and x=12 when y=5, find... (answered by ewatrrr)

1) Given: ----------- x -------------------------------------------- y... (answered by solver91311)

Pls. help me to solve this equation: Find the vertex of {{{y = 3x� + x -... (answered by Theo)

Pls. help me to solve this equation: Find the vertex of {{{y = 3x^2 + x -... (answered by Edwin McCravy)

pls help me with this, log27 base x + log4 base y = 5 ; log27 base x - log4 base y = 1.... (answered by Theo,MathTherapy)

Pls help me solve 2x+y=1290 and 2y+x=1020. Thank u in... (answered by josgarithmetic)