document.write( "Question 1138969: Kevin and randy Muise have a jar containing 53 coins, all of which are eathir quarters or nickels. The total value of the coins in the jar is $6.05. How many of each type of coin do they have? \n" ); document.write( "
Algebra.Com's Answer #756787 by greenestamps(13215) You can put this solution on YOUR website! \n" ); document.write( "If you don't need a formal algebraic solution to a problem like this, here is a quick way to get the answer with logical reasoning and some mental arithmetic. \n" ); document.write( "(1) If all 53 coins were nickels; the total value would be 53*$0.05 = $2.65. That's $3.40 short of the actual total of $6.05. \n" ); document.write( "(2) The difference between the value of each quarter and each nickel is 20 cents. \n" ); document.write( "(3) So to make up those additional $3.40 (340 cents), the number of quarters must be 340/20 = 17. \n" ); document.write( "ANSWER: 17 quarters and (53-17) = 36 nickels \n" ); document.write( " |