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KandaceCibula711 KandaceCibula711
  • 22-05-2015
  • Mathematics
Answered

If y varies directly as x and y = 144 when x = 12, what is the value of y when x = 17?

Verified Answer :

naǫ
naǫ naǫ
  • 23-05-2015

\(y=kx \\ \\ y=144 \hbox{ when } x=12 \\ \Downarrow \\ 144=k \times 12 \\ k=12 \\ \\ y=12x \hbox{ and } x=17 \\ \Downarrow \\ y=12 \times 17 \\ y=204 \\ \\ \boxed{y=204} \hbox{ when } x=17\)

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