document.write( "Question 1112925: A collection of dimes and nickels is worth $3.30. If there are 42 coins in all, how much of each kind of coin are there? \n" ); document.write( "
Algebra.Com's Answer #727951 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A collection of dimes and nickels is worth $3.30. If there are 42 coins in all, how much of each kind of coin are there? \n" ); document.write( "---- \n" ); document.write( "Equations: \n" ); document.write( "Quantity:: d + n = 42 coins \n" ); document.write( "Value:::: 10d + 5n = 330 cents \n" ); document.write( "----------------------------------- \n" ); document.write( "Modify:: \n" ); document.write( "d + n = 42 \n" ); document.write( "2d + n = 66 \n" ); document.write( "------ \n" ); document.write( "Subtract and solve for \"d\": \n" ); document.write( "d = 24 (# of dimes) \n" ); document.write( "n = 42-24 = 18 (# of nickels) \n" ); document.write( "----------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |