document.write( "Question 1054610: express the statement as an equation. use the given information to find the constant of proportinallity k. y is directly proportional to x. if x=8, then y=80 \n" ); document.write( "
Algebra.Com's Answer #669831 by ikleyn(52788)\"\" \"About 
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\n" ); document.write( "express the statement as an equation. use the given information to find the constant of proportionality k.
\n" ); document.write( "y is directly proportional to x. if x=8, then y=80
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\n" ); document.write( "\n" ); document.write( "y = kx.\r
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\n" ); document.write( "\n" ); document.write( "80 = k*8 ---> k = 10.\r
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\n" ); document.write( "\n" ); document.write( "y = 10*x.\r
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