document.write( "Question 572239: john has 18 coins all nickels and dimes. if he has $1.45, how much does he have? \n" ); document.write( "
Algebra.Com's Answer #368347 by nyc_function(2741) You can put this solution on YOUR website! Here is the system of equations you need:\r \n" ); document.write( "\n" ); document.write( "a + b = 18 \n" ); document.write( "0.05a + 0.10b = 1.45\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve using the substitution method.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |