kayle4y5mackiesc kayle4y5mackiesc
  • 26-11-2016
  • Mathematics
contestada

x varies directly as y, and x = 153 when y = 9. Find x when y = 13.

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Nirina7
Nirina7 Nirina7
  • 29-11-2016
x = 153 = 17* 9, so when y = 13, x= 21*13= 273

x= 17  18   19  20  21 
y=    9  10   11  12  13
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