SOLUTION: y varies directly with x. if y=3 when x=2. Find y when x=6.

Question 767678: y varies directly with x. if y=3 when x=2. Find y when x=6.
Found 2 solutions by Cromlix, solver91311:
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
y varies directly with x.
y = kx
k = constant of variation
y = kx
3 = k2
k = 3/2
Formula:
y = 3/2x
y = 3/2 * 6
y = 9
Hope this helps.
:-)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

varies directly with means .

So if when , solve for

Then using what you now know the value of to be, solve

for

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it

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