document.write( "Question 368846: Five hockey pucks and three hockey sticks cost $23. Five hockey pucks and one hockey stick costs $20. How much does on hockey puck cost? \n" ); document.write( "

Algebra.Com's Answer #262916 by Fombitz(32388) $\"\"$ $\"About$

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Let P be the cost of pucks, S the cost of sticks.
\n" ); document.write( "1. $\"5P%2B3S=23\"$
\n" ); document.write( "2. $\"5P%2BS=20\"$
\n" ); document.write( "Subtract eq. 2 from eq. 1,
\n" ); document.write( " $\"5P%2B3S-5P-S=23-20\"$
\n" ); document.write( " $\"2S=3\"$
\n" ); document.write( " $\"S=3%2F2\"$
\n" ); document.write( "Then from eq. 2,
\n" ); document.write( " $\"5P%2B3%2F2=20\"$
\n" ); document.write( " $\"5P=40%2F2-3%2F2\"$
\n" ); document.write( " $\"P=37%2F10\"$
\n" ); document.write( "Pucks cost $3.70 and sticks cost $1.50.
\n" ); document.write( " \n" ); document.write( "

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