document.write( "Question 1026074: Find k if y varies directly with x and y=20 when x=4 \n" ); document.write( "
Algebra.Com's Answer #641327 by sravanik2005(14)\"\" \"About 
You can put this solution on YOUR website!
Given y varies directly with x.
\n" ); document.write( "So,y=kx
\n" ); document.write( "but given y=20 when x=4
\n" ); document.write( "that is 20 = k(4)
\n" ); document.write( " k= 20/4 = 5
\n" ); document.write( "Hence k=5 is the answer
\n" ); document.write( "
\n" );