document.write( "Question 363834: how do i express the relation of the cost (c) of a plane trip varies directly as the distance (d) covered? \n" ); document.write( "
Algebra.Com's Answer #259466 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
how do i express the relation of the cost (c) of a plane trip varies directly as the distance (d) covered?
\n" ); document.write( "------------------------
\n" ); document.write( "c = kd
\n" ); document.write( "where k is the constant of variation.
\n" ); document.write( "===========
\n" ); document.write( "If c and d were indirectly related the answer
\n" ); document.write( "would be c = k/d
\n" ); document.write( "====================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );