document.write( "Question 531008: What would the format be for a problem like this :a collection of nickels and quarters amounts to $2.60. There are 16 coins in all. How many of each coin are there? \n" ); document.write( "
Algebra.Com's Answer #350294 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! What would the format be for a problem like this :a collection of nickels and quarters amounts to $2.60. There are 16 coins in all. \n" ); document.write( "How many of each coin are there? \n" ); document.write( "---------------- \n" ); document.write( "Equations: \n" ); document.write( "n + q = 16 coins \n" ); document.write( "5n + 25q = 260 cents \n" ); document.write( "--------------------------- \n" ); document.write( "Divide thru the lower equation by 5: \n" ); document.write( "n + q = 16 \n" ); document.write( "n + 5q = 52 \n" ); document.write( "----- \n" ); document.write( "Subtract and solve for \"q\": \n" ); document.write( "4q = 36 \n" ); document.write( "q = 9 (# of quarters) \n" ); document.write( "----- \n" ); document.write( "Solve for \"n\": \n" ); document.write( "n + q = 16 \n" ); document.write( "n + 9 = 16 \n" ); document.write( "n = 7 (# of nickels) \n" ); document.write( "=========================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |