document.write( "Question 634376: A collection of nickels and dimes is a total value of $2.00 and contains 25 coins. How many of each coin is in the collection?
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Algebra.Com's Answer #399574 by Alan3354(69443) You can put this solution on YOUR website! \n" ); document.write( "A collection of nickels and dimes is a total value of $2.00 and contains 25 coins. How many of each coin is in the collection? \n" ); document.write( "========================================\r \n" ); document.write( "\n" ); document.write( "Do it like this one. \n" ); document.write( "------- \n" ); document.write( "There are 50 coins. They are dimes and quarters. When counted all up the total is $10.25. My question is, Out of all the coins. How many dimes are there? \n" ); document.write( "---------------- \n" ); document.write( "You can do these \"in your head\" like this: \n" ); document.write( "50 dimes would be $5.00 \n" ); document.write( "Each quarter adds 15 cents. \n" ); document.write( "10.25 - 55.00 = $5.25 added \n" ); document.write( "525/15 = 35 quarters \n" ); document.write( "--> 15 dimes \n" ); document.write( "========================== \n" ); document.write( "or, \n" ); document.write( "d + q = 50 \n" ); document.write( "10d + 25q = 1025 \n" ); document.write( "etc \n" ); document.write( " \n" ); document.write( " |