document.write( "Question 386739: Bob was given $9 to buy 6-cent and 8-cent stamps. He returned from the post office with 113 stamps and $1.46 in change. How many stamps of each kind did he buy/ \n" ); document.write( "

Algebra.Com's Answer #273342 by armstrkl(28) $\"\"$ $\"About$

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let x = # of 6 cent stamps, let y = # 8 cent stamps
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\n" ); document.write( ".06x + .08y = 7.54 represents total cost to Bob
\n" ); document.write( "x + y = 113 represents the # of stamps total
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Solved by pluggable solver: Linear System solver (using determinant)

Solve:
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\n" ); document.write( " (x=75, y=38}
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\n" ); document.write( "\n" ); document.write( "75 6 cent stamps, 38 8 cent stamps \n" ); document.write( "

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