100 is 250% of

100 / 2.5 = 40 where 100 is 250% of 40.

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Asked 11/17/2014 12:33:22 PM

Updated 11/18/2014 2:06:53 PM

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Confirmed by Kaysha [11/18/2014 2:06:53 PM]

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In a direct variation, the constant of proportionality is -3. Which of the following would be its equation? y=x-3, -3y=x,y=-3x,-3=xy **Weegy:** y=x- 3 is the constant proportionality of -3
***constant of proportionality - the constant value of the ratio of two proportional quantities x and y; usually written y = kx, [ where k is the factor of proportionality
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Updated 11/17/2014 8:30:51 PM

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