document.write( "Question 21072: A plumber charges $51 for 2 hours of work and $74.25 for 31/2 hours work. write an equation relating cost to number of hours worked.
\n" ); document.write( "Solution:
\n" ); document.write( " Let X be the cost and Y be the number of hours.
\n" ); document.write( " $51x=2y
\n" ); document.write( " $74.25=31/2y\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #10113 by durga@tutor(2)\"\" \"About 
You can put this solution on YOUR website!
\n" ); document.write( "
\n" );