kayle4y5mackiesc kayle4y5mackiesc

26-11-2016
Mathematics

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

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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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