The value \(e\) is directly proportional to \(p\). When \(e = 20\), \(p = 10\). Find an equation relating \(e\) and \(p\). \(e \propto p\) \(e = kp\) \(20 = 10k\) so ...
The cost of the pencils (C) is directly proportional to the number of pencils (n). When the proportionality sign (∝) is replaced with an equal sign (=), the equation is \(x = k y\). The constant value ...
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