document.write( "Question 991919: Greg spent $36.64 on $0.80 and $0.12 stamps. He bought a total of 107 stamps. How many of the $0.12 stamps did he buy? \n" ); document.write( "
Algebra.Com's Answer #611672 by macston(5194)\"\" \"About 
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\n" ); document.write( "E=number of $0.80 stamps; T=number of $0.12 stamps
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\n" ); document.write( "E+T=107
\n" ); document.write( "E=107-T
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\n" ); document.write( "$0.80E+$0.12T=$36.64
\n" ); document.write( "$0.80(107-T)+$0.12T=$36.64
\n" ); document.write( "$85.60-$0.80T+$0.12T=$36.64
\n" ); document.write( "-$0.68T=-$48.96
\n" ); document.write( "T=72
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\n" ); document.write( "ANSWER: He bought seventy-two $0.12 stamps.
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\n" ); document.write( "CHECK:
\n" ); document.write( "E=107-T=107-72=35
\n" ); document.write( "He bought 35 $0.80 stamps.
\n" ); document.write( ".
\n" ); document.write( "$0.80E+$0.12T=$36.64
\n" ); document.write( "$0.80(35)+$0.12(72)=$36.64
\n" ); document.write( "$28.00+$8.64=$36.64
\n" ); document.write( "$36.64=$36.64
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