document.write( "Question 288209: Sharon has some one-dollar bills and some five dollar bills. She has 14 bills. The value of the bills is $30. Solve a system of equations using elimination to find how many of each kind of bill she has. \n" ); document.write( "
Algebra.Com's Answer #208890 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let 1 dollar bills be x\r \n" ); document.write( "\n" ); document.write( "let 5 dollar bills be y\r \n" ); document.write( "\n" ); document.write( "x+y=14-------------1\r \n" ); document.write( "\n" ); document.write( "x+5y=30------------2\r \n" ); document.write( "\n" ); document.write( "subtract\r \n" ); document.write( "\n" ); document.write( "x-y - ( x+5y)= 14-30\r \n" ); document.write( "\n" ); document.write( "x+y-x-5y=-16\r \n" ); document.write( "\n" ); document.write( "-4y=-16\r \n" ); document.write( "\n" ); document.write( "y=4 ----- 5 dollar bills\r \n" ); document.write( "\n" ); document.write( "She has 10 1 dollar bills\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |