document.write( "Question 614019: Diane has $1.15 in dimes and nickels. She has a total of 13 coins. How many of each kind does she have? \n" ); document.write( "
Algebra.Com's Answer #386356 by edjones(8007)![]() ![]() You can put this solution on YOUR website! Let d=number of dimes and n=number of nickels. \n" ); document.write( "d+n=13 \n" ); document.write( ".1d+.05n=1.15 \n" ); document.write( ". \n" ); document.write( "d=13-n \n" ); document.write( ".1(13-n)+.05n=1.15 \n" ); document.write( "1.3-.1n+.05n=1.15 \n" ); document.write( "-.05n=-.15 \n" ); document.write( "n=3 \n" ); document.write( "d=10 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " |