Mathematics, 27.06.2019 08:30 korban23

Yis inversy proportional to x. when y=7 , x=9 a) work out an equation connecting y and x? b) work out the value of y when x=21

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Yis inversy proportional to x. when y=7 , x=9 a) work out an equation connecting y and x? b) work o...