document.write( "Question 669223: A box contains 35 coins in nickles and dimes. How many of each coin is there if the total of the two types of coins is $2.50? Please help me figure out the Let Statement. \n" ); document.write( "
Algebra.Com's Answer #416219 by stanbon(75887) ![]() You can put this solution on YOUR website! A box contains 35 coins in nickles and dimes. How many of each coin is there if the total of the two types of coins is $2.50? Please help me figure out the Let Statement. \n" ); document.write( "------ \n" ); document.write( "Let the number of nickels be \"n\" and the number of dimes be \"d\". \n" ); document.write( "---- \n" ); document.write( "Equations: \n" ); document.write( "Quantity Eq.: n + d = 35 \n" ); document.write( "Value Eq.: 5n +10d= 250 cents \n" ); document.write( "------------------------------------ \n" ); document.write( "Modify: \n" ); document.write( "n + d = 35 \n" ); document.write( "n + 2d = 50 \n" ); document.write( "------ \n" ); document.write( "Subtract and solve for \"d\": \n" ); document.write( "d = 15 (# of dimes) \n" ); document.write( "--- \n" ); document.write( "solve for \"n\": \n" ); document.write( "n + d = 35 \n" ); document.write( "n + 15 = 35 \n" ); document.write( "n = 20 (# of nickels) \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |