SOLUTION: Please help. If y varies directly with x, and y = 2590 when x = 700, find the constant of variation k. Thanks JMS

Question 111870: Please help.
If y varies directly with x, and y = 2590 when x = 700,
find the constant of variation k.
Thanks
JMS
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

If varies directly with with the constant of variation , then we have:

if and , find the constant of variation :

��..divide both sides by

�or
��..now plug in values for and

��..reduce

��..

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