document.write( "Question 362495: Betty has 10 more dimes than quarters. If she has $3.45, how many coins does she have?\r
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Algebra.Com's Answer #258366 by stanbon(75887)\"\" \"About 
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Betty has 10 more dimes than quarters. If she has $3.45, how many coins does she have? \r
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\n" ); document.write( "d = q + 10
\n" ); document.write( "10d + 25q = 345 cents
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\n" ); document.write( "Substitute for \"d\" and solve for \"q\";
\n" ); document.write( "10(q+10) + 25q = 345
\n" ); document.write( "35q + 100 = 345
\n" ); document.write( "35q = 245
\n" ); document.write( "q = 7 (# of quarters)
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\n" ); document.write( "Since d = q+10, d = 17 (# of dimes)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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