Question

Assume that y varies inversely as x. If y = 3.2 when x = 0.2, how do you find y when x = 1.6?

Answer 1

`y =0.4`

Explanation:

`y oo 1/x or y = k*1/x or x*y=k; y= 3.2 ; x=0.2 :. k=0.2*3.2=0.64 :. x*y=0.64`Now `x=1.6 :. y =0.64/1.6=0.4` [Ans]