document.write( "Question 67646: Jeramie has a jar of nickels and dimes. There are 200 coins worth $14.00. How many of each type of coin are in the jar? \n" ); document.write( "
Algebra.Com's Answer #48158 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Letx=number of nickels \n" ); document.write( "Then 200-x=number of dimes\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now lets deal in pennies to keep down confusion.\r \n" ); document.write( "\n" ); document.write( "We are told that:\r \n" ); document.write( "\n" ); document.write( "5x+10(200-x)=1400 all in pennies; divide each term by 5\r \n" ); document.write( "\n" ); document.write( "x+2(200-x)=280 clear parens\r \n" ); document.write( "\n" ); document.write( "x+400-2x=280 subtract 400 from both sides \n" ); document.write( "-x=-120 \n" ); document.write( "x=120----------------------number of nickels\r \n" ); document.write( "\n" ); document.write( "200-x=200-120=80-------------number of dimes\r \n" ); document.write( "\n" ); document.write( "ck\r \n" ); document.write( "\n" ); document.write( "120(5)+80(10)=1400\r \n" ); document.write( "\n" ); document.write( "600+800=1400 \n" ); document.write( "1400=1400\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hope this helps----ptaylor \n" ); document.write( " |