document.write( "Question 45010: Allen bought 20 stamps at the post office in 37cents and 20 cents denominations. If the total cost of the stamps was $7.06, how many 37 cents stamps did Allen buy?\r
\n" ); document.write( "\n" ); document.write( "a. 16\r
\n" ); document.write( "\n" ); document.write( "b. 18\r
\n" ); document.write( "\n" ); document.write( "c. 15\r
\n" ); document.write( "\n" ); document.write( "d. 17
\n" ); document.write( "

Algebra.Com's Answer #29820 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
37 cent stamps: b
\n" ); document.write( "20 cent stamps: s
\n" ); document.write( "\"s+%2B+b+=+20\"
\n" ); document.write( "+
\n" ); document.write( "\".2s+%2B+.37b+=+7.06\"
\n" ); document.write( "so ....
\n" ); document.write( "\"-.2s+-+.2b+=+-4\"
\n" ); document.write( "+
\n" ); document.write( "\".2s+%2B+.37b+=+7.06\"
\n" ); document.write( "=
\n" ); document.write( "\".17b+=+3.06\"
\n" ); document.write( "\"b+=+18\"
\n" ); document.write( "(b)
\n" ); document.write( "
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