document.write( "Question 342251: Twenty-five coins, a combination of dimes and quarters, are worth $4.75. How many coins are dimes? How many are quarters? \n" ); document.write( "
Algebra.Com's Answer #244920 by mananth(16949) You can put this solution on YOUR website! let number of dimes be d \n" ); document.write( "quarters will be 25-d \n" ); document.write( ".. \n" ); document.write( "total value = 475 cents \n" ); document.write( "10d+25(25-d)=475 \n" ); document.write( "10d+625-25d=475 \n" ); document.write( "-15d=475-625 \n" ); document.write( "-15d=-150 \n" ); document.write( "divide by -15 \n" ); document.write( "d= 10 the number of dimes \n" ); document.write( "quarters will be 15 \n" ); document.write( "CHECK \n" ); document.write( "15*25+10*10=475 \n" ); document.write( " |