jazminemia78 jazminemia78
  • 30-08-2015
  • Mathematics
contestada

If y varies directly with x and x=21 and y=14, what is the constant of proportionality? Write your answer as a fraction.

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michalez michalez
  • 30-08-2015
y = ax 

a = y/x

a = 14/21 

a = 2/3


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