document.write( "Question 957453: taylor has $3.15 in dimes and quarters. the sum of dimes is 7 more than the number of quarters. how many of each coin does she have? \n" ); document.write( "
Algebra.Com's Answer #585050 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! taylor has $3.15 in dimes and quarters. the sum of dimes is 7 more than the number of quarters. how many of each coin does she have? \n" ); document.write( "=========================================================== \n" ); document.write( "10d + 25q = 315 \n" ); document.write( "d = q + 7 \n" ); document.write( "-------------- \n" ); document.write( "10(q+7) + 25q = 315 \n" ); document.write( "2(q+7) + 5q = 63 \n" ); document.write( "2q +14 + 5q = 63 \n" ); document.write( "7q = 49 \n" ); document.write( "--> 7 quarters \n" ); document.write( "14 dimes\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |