document.write( "Question 378750: A bank contained $1.75 in nickels and dimes. in all, there were 26 coins in the bank. how many of each are there? \n" ); document.write( "
Algebra.Com's Answer #269029 by mananth(16946) You can put this solution on YOUR website! let nickels be x \n" ); document.write( "dimes be y \n" ); document.write( "x+y = 26............1 \n" ); document.write( ".. \n" ); document.write( "5x+10y=175..........2 \n" ); document.write( "multiply (1) by -5 \n" ); document.write( "-5x-5y=-130 \n" ); document.write( "add this to (2) \n" ); document.write( "10y-5y=175-130 \n" ); document.write( "5y=45\r \n" ); document.write( "\n" ); document.write( "/5 \n" ); document.write( "y = 9 number of dimes\r \n" ); document.write( "\n" ); document.write( "x= 26-9=17 number of nickels \n" ); document.write( ".. \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |