document.write( "Question 888317: The variables x and y are directly proportional, and y=2 when x=3. What is the vale of y when x=9 I need to know how to work it out not the answer so much. \n" ); document.write( "
Algebra.Com's Answer #537304 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! y = kx \n" ); document.write( "2 = k*3 \n" ); document.write( "k = 2/3 \n" ); document.write( "------ \n" ); document.write( "When x = 9, \n" ); document.write( "y = (2/3)*9 \n" ); document.write( "y = 6 \n" ); document.write( " \n" ); document.write( " |