document.write( "Question 1188830: You have 73 coins consisting of nickels and quarters. the coins total $11.45. How many coins are nickels ? how many coins are quarters? \n" ); document.write( "
Algebra.Com's Answer #820008 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! You have 73 coins consisting of nickels and quarters. the coins total $11.45. How many coins are nickels ? how many coins are quarters? \n" ); document.write( "------------ \n" ); document.write( "Using algebra: \n" ); document.write( "n + q = 73 \n" ); document.write( "5n + 25q = 1145 ---> n + 5q = 229 \n" ); document.write( "---------------- \n" ); document.write( "n + 5q = 229 \n" ); document.write( "n + q = 73 \n" ); document.write( "---------------------- Subtract \n" ); document.write( "4q = 156 \n" ); document.write( "---> 39 quarters \n" ); document.write( "34 nickels \n" ); document.write( "========================== \n" ); document.write( "Another way: \n" ); document.write( "73 nickels = 365 cents \n" ); document.write( "Each nickel replaced by a quarter adds 20 cents \n" ); document.write( "1145 - 365 = 780 \n" ); document.write( "780/20 = 39 replacements = 39 quarters \n" ); document.write( "etc \n" ); document.write( " |