document.write( "Question 204067: joe has twice as many quarters than dimes in total joe has 9 dollars how many coins of each does joe have \n" ); document.write( "
Algebra.Com's Answer #154004 by RAY100(1637)\"\" \"About 
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Let D = # dimes,,,,and Q= # quarters
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\n" ); document.write( "Q=2D
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\n" ); document.write( "25Q + 10D =900
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\n" ); document.write( "25(2D) +10D=900
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\n" ); document.write( "50D+10D=60D=900
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\n" ); document.write( "D=15,,,,,,Q=30
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\n" ); document.write( "check,,,15*10 +30*25 =900
\n" ); document.write( "150 +750 = 900,,,ok
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