document.write( "Question 938178: What makes 14$if you have 200 coins of nikels and dimes \n" ); document.write( "
Algebra.Com's Answer #571513 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! What makes 14$if you have 200 coins of nikels and dimes \n" ); document.write( ". \n" ); document.write( "Let d = number of dimes \n" ); document.write( "then \n" ); document.write( "200-d = number of nickels \n" ); document.write( ". \n" ); document.write( ".10d + .05(200-d) = 14 \n" ); document.write( ".10d + 10-.05d = 14 \n" ); document.write( ".05d + 10 = 14 \n" ); document.write( ".05d = 4 \n" ); document.write( "d = 80 (number of dimes) \n" ); document.write( ". \n" ); document.write( "number of nickels: \n" ); document.write( "200-d = 200-80 = 120 \n" ); document.write( " |