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3 votes
Please help !! question is shown below in the picture

Please help !! question is shown below in the picture-example-1
User Diedra
by
6.2k points

1 Answer

4 votes

Answer:

C

Explanation:

Given x and y vary directly then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition x = 20 , y = 10 then

10 = 20k ( divide both sides by 20 )


(10)/(20) =
(1)/(2) = k

y =
(1)/(2) x ← equation of variation → C

User Rich Pollock
by
6.7k points
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