document.write( "Question 1007308: Burt has $4.95 in dimes and quarters. He has three more quarters than twice as many dimes. How many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #807711 by CubeyThePenguin(3113)\"\" \"About 
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d = number of dimes
\n" ); document.write( "q = number of quarters\r
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\n" ); document.write( "\n" ); document.write( "10d + 25q = 495
\n" ); document.write( "q = 2d + 3\r
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\n" ); document.write( "\n" ); document.write( "Substitute the second equation into the first.\r
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\n" ); document.write( "\n" ); document.write( "10d + 25(2d + 3) = 495
\n" ); document.write( "10d + 50d + 75 = 495
\n" ); document.write( "60d = 420
\n" ); document.write( "d = 7\r
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\n" ); document.write( "\n" ); document.write( "Burt has 7 dimes and 17 quarters.
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