document.write( "Question 1010217: Find an equation that describes the following variation
\n" ); document.write( "y varies directly as z, and y = 46 when z = 460.
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Algebra.Com's Answer #625669 by fractalier(6550)\"\" \"About 
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Since y varies directly as z, we write that as
\n" ); document.write( "y = kz
\n" ); document.write( "Then we plug our data in to find k...
\n" ); document.write( "46 = k(460)
\n" ); document.write( "k = 46/460 = 1/10
\n" ); document.write( "so that
\n" ); document.write( "y = (1/10)z
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