document.write( "Question 668759: a collection of 36 dimes and quarters is worth $4.80.how many dimes are there \n" ); document.write( "
Algebra.Com's Answer #415823 by swincher4391(1107)![]() ![]() You can put this solution on YOUR website! d+q = 36 \n" ); document.write( "10d + 25q = 480 \n" ); document.write( "10d + 10q = 360 (multiplying first by 10) \n" ); document.write( "-------------- \n" ); document.write( "15q = 120\r \n" ); document.write( "\n" ); document.write( "q = 8\r \n" ); document.write( "\n" ); document.write( "d+8 = 36\r \n" ); document.write( "\n" ); document.write( "d = 28\r \n" ); document.write( "\n" ); document.write( "28 dimes; 8 quarters \n" ); document.write( " |