Diamondbrooks Diamondbrooks
  • 29-09-2015
  • Mathematics
contestada

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

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vgrel566 vgrel566
  • 29-09-2015
set up a proportion
12/144 = 17/y
cross multiply
12y = 144*17
12y = 2448
y = 2448/12
y = 204
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