If y varies inversely as x and y =1/3 when x =8,find y when x =4.
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3 when x =8,find y when x =4.
If y varies inversely as x and y =1/3 when x =8,find y when x =4.
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Answer:
y=k/x
1/3=k/8
k=1/3(8)
k= 8/3
y=8/3 /4
y=32/3
y= 10 2/3