document.write( "Question 1049259: I have 13 coins consisting of quarters and dimes. The total value of the coins is $2.50. How many of each kind do I have. \n" ); document.write( "

Algebra.Com's Answer #664900 by Fombitz(32388) $\"\"$ $\"About$

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1. $\"Q%2BD=13\"$ Total number of coins
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\n" ); document.write( " $\"25Q%2B10D=250\"$ Total value of coins
\n" ); document.write( "2. $\"5Q%2B2D=50\"$
\n" ); document.write( "Subtract two times eq. 1 from eq. 2,
\n" ); document.write( " $\"5Q%2B2D-2Q-2D=50-2%2813%29\"$
\n" ); document.write( " $\"3Q=24\"$
\n" ); document.write( " $\"Q=8\"$
\n" ); document.write( "Then from eq. 1,
\n" ); document.write( " $\"8%2BD=13\"$
\n" ); document.write( " $\"D=5\"$ \r
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