SOLUTION: Write a general formula to describe the variation
y varies directly with x
y=4 when x=20
y=?
Algebra.Com
Question 989240: Write a general formula to describe the variation
y varies directly with x
y=4 when x=20
y=?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Write a general formula to describe the variation
y varies directly with x
y = k*x
-------------------
y=4 when x=20
k =
4 = k*20
k = 4/20
k = 1/5
-----------
Formula:
y = (x/5)
------------
cheers,
Stan H.
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