document.write( "Question 799004: two students combined thier coins. they have all dimes and quarters. they have 8 more quarters then dimes with a total of 5,15 how many dimes and quarters do they have? \n" ); document.write( "
Algebra.Com's Answer #482448 by Finavon(81) ![]() You can put this solution on YOUR website! d*10 + q*25 = 515 \n" ); document.write( "q=d+8 \n" ); document.write( "substitute for q \n" ); document.write( "10d+25(d+8)=515 \n" ); document.write( "35d+200=515 \n" ); document.write( " \n" ); document.write( "q=9+8=17\r \n" ); document.write( "\n" ); document.write( "Check: \n" ); document.write( "Value: 0.90 + 17*0.25 = 0.90+4.25 = 5.15 \n" ); document.write( " \n" ); document.write( " |