yello1 yello1
  • 21-06-2016
  • Mathematics
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If Y varies directly with x and y= 20 when k= 4, what is the value of x?

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xSamx
xSamx xSamx
  • 21-06-2016
'y' varies directly with 'x',

y=kx

20=4x
x=5
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