document.write( "Question 1095630: Chang and his brother, Min, use different cell phone plans from the Global Connection phone company. In one month, the two brothers use a total 500 minutes. Chang pays $0.20 per minute used and Min pays $0.25 per minute used. If their total bills adds up to $111, how many minutes did each brother use for the month? \n" ); document.write( "
Algebra.Com's Answer #710117 by Boreal(15235) You can put this solution on YOUR website! Chang uses x minutes \n" ); document.write( "Min uses 500-x \n" ); document.write( "Chang 0.20*x \n" ); document.write( "Min (500-x)(0.25) \n" ); document.write( "0.20x+125-0.25x=111 \n" ); document.write( "-0.05x=-14 \n" ); document.write( "x=280 minutes for Chang or $56. \n" ); document.write( "500-x=220 minutes for Min or $55 \n" ); document.write( "Adds to $111. \n" ); document.write( " |