SOLUTION: If y varies inversely as x, and y=14 when x=5, find y when x=8. y=____(simplified).

SOLUTION: If y varies inversely as x, and y=14 when x=5, find y when x=8. y=____(simplified).

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Question 751059: If y varies inversely as x, and y=14 when x=5, find y when x=8.
y=____(simplified).
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
y varies inversely as x
y = k/x
14 = k/5
Cross multiply
So k = 5*14 = 70
Formula: y = 70/x
y = 70/8
y = 8.75 ( 2 decimal places)
Hope this helps
:-)
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