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3 years ago

If y varies inversely as x and y is 2.5 when x is 6, what is y when x is 4?

1 answer:

5 0

Yvaries as x means
y=kx where k is constant
y=2.5
x=6
find k
2.5=k6
divide bot sides by 6
2.5/6=k (leave as that an simplfy later)

if x=4, what is y
y=(2.5/6)*4
y=10/6
y=5/3
y=1 and 2/3

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