document.write( "Question 63834: two different cell phone companies have separate plans. Company A charges $10.00 per month plus $0.03 per minute of calls. Company B has a flat rate of $0.06 per minute. For how many minutes are the two plans the same \n" ); document.write( "
Algebra.Com's Answer #44494 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! two different cell phone companies have separate plans. Company A charges $10.00 per month plus $0.03 per minute of calls. Company B has a flat rate of $0.06 per minute. For how many minutes are the two plans the same \n" ); document.write( "--------------- \n" ); document.write( "Let \"x\" be the number of \"minutes of call\". \n" ); document.write( "Co. A: Cost=10+0.03x \n" ); document.write( "Co. B: Cost=0.06x \n" ); document.write( "========== \n" ); document.write( "EQUATION: \n" ); document.write( "Cost of A = Cost of B \n" ); document.write( "10+0.03x = 0.06x \n" ); document.write( "0.03x = 10 \n" ); document.write( "3x = 1000 \n" ); document.write( "x=333 1/3 minutes \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |