Question

If x varies inversely as y and x =1/2 when y is 16, find y when x = 4.
(Hint: answer is = y = 2)
please tell me in process ​

Answer 1

Answer:

(a) x∝

y

1

⇒x=

y

k

⇒7=

9

k

⇒k=7×9

∴k=63

(b) x=

y

63

(c) y=

x

63

⇒y=

9

63

∴y=7.

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