document.write( "Question 1008842: Ben has $3.40 in nickels and dimes. He has 4 more dimes than nickels. How many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #624392 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Ben has $3.40 in nickels and dimes. He has 4 more dimes than nickels. How many of each coin does he have? \n" ); document.write( "---- \n" ); document.write( "Equations: \n" ); document.write( "Quantity Eq:: d = n+4 \n" ); document.write( "Value Eq:: 5n + 10d = 340 cents \n" ); document.write( "--------------------------------------- \n" ); document.write( "Simplify the Value eq:: \n" ); document.write( "n + 2d = 68 \n" ); document.write( "---- \n" ); document.write( "Now, substitute for \"d\" and solve for \"n\":: \n" ); document.write( "n + 2(n+4) = 68 \n" ); document.write( "3n + 8 = 68 \n" ); document.write( "3n = 60 \n" ); document.write( "---- \n" ); document.write( "n = 20 (# of nickels) \n" ); document.write( "----- \n" ); document.write( "Solve for \"d\": \n" ); document.write( "d = n+4 \n" ); document.write( "d = 24 (# of dimes) \n" ); document.write( "----------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |