document.write( "Question 72687: Johnny has a piggy bank containing dimes and quarters. The number of dimes is three less than twice the number of quarters. He has a total of $2.85 in his bank. How many of each type coin is in the bank? \n" ); document.write( "
Algebra.Com's Answer #51957 by checkley75(3666)\"\" \"About 
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D=2Q-3
\n" ); document.write( "10(2Q-3)+25Q=285
\n" ); document.write( "20Q-30+25Q=285
\n" ); document.write( "45Q=285+30
\n" ); document.write( "45Q=315
\n" ); document.write( "Q=315/45
\n" ); document.write( "Q=7 ANSWER FOR THE NUMBER OF QUARTERS
\n" ); document.write( "D=2*7-3
\n" ); document.write( "D=14-3
\n" ); document.write( "D=11 ANSWER FOR THE NUMBER OF DIMES
\n" ); document.write( "PROOF
\n" ); document.write( "10*11=7*25=285
\n" ); document.write( "110+175=285
\n" ); document.write( "285=285
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