document.write( "Question 448823: help pleas:\r
\n" ); document.write( "\n" ); document.write( "Find an equation of the variation in which y varies jointly as x and z, and y=15 when x=5 and z=3
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Algebra.Com's Answer #308804 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
y=xz \n" ); document.write( "
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