Asked by Butterfly girl

Find an equation of variation in which y varies inversely as x and y=5 and x=15. Then find the value of y when x=10.
Answered by oobleck
y = k/x
now use (15,5) to find k, and then y(10)
Answered by Butterfly girl
Is the answer 3
Answered by oobleck
no. 5 = 75/15 so k=75
y(10) = 75/10
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