document.write( "Question 604445: Write linear equation for phone company A has an intital monthly charge of $25.75 for providing their services and charges 30 cent for every minute. Phone company B charges $55.50 per month and 10 cent for every minute. Phone company C does not have an initial monthly charge. It charges 75 cent for every minute. \n" ); document.write( "
| Algebra.Com's Answer #381228 by mananth(16946)     You can put this solution on YOUR website! let the talk time be m minutes\r \n" ); document.write( "\n" ); document.write( "company A\r \n" ); document.write( "\n" ); document.write( "C(m) = 25.75 + 0.3m\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Company B \n" ); document.write( "C(m)=55.50+0.1m\r \n" ); document.write( "\n" ); document.write( "Company C \n" ); document.write( "C(m)= 0.75m \n" ); document.write( " |