document.write( "Question 557121: In a pile of nickles and dimes, the number of nickles is three rimes the number of dimes and the pile is worth $1.75. How many nickles are there? \n" ); document.write( "
Algebra.Com's Answer #362451 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In a pile of nickles and dimes, the number of nickles is three rimes the number of dimes and the pile is worth $1.75. How many nickles are there? \n" ); document.write( "----- \n" ); document.write( "Equations: \n" ); document.write( "Quantity: n = 3d \n" ); document.write( "Value: 5n + 10d = 175 cents \n" ); document.write( "---- \n" ); document.write( "Substitute for \"n\" and solve for \"d\": \n" ); document.write( "5(3d) + 10d = 175 \n" ); document.write( "25d = 175 \n" ); document.write( "d = 7 (# of dimes) \n" ); document.write( "--- \n" ); document.write( "# of nickels = 3d = 21 \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |