document.write( "Question 1010364: PC Solutions sells standard keyboards for $84 and extended keyboards for $105. Last week the store sold three times as many standard keyboards as extended. If total sales were $4998, how many of each type were sold? \n" ); document.write( "
Algebra.Com's Answer #625795 by Boreal(15235)\"\" \"About 
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SK=84
\n" ); document.write( "EK=105
\n" ); document.write( "3SK=EK
\n" ); document.write( "Let EK=x
\n" ); document.write( "3x*84+105*x=4998
\n" ); document.write( "357x=4998
\n" ); document.write( "x=14
\n" ); document.write( "14 of the $105 keyboards=$1470
\n" ); document.write( "42 of the $84 keyboards=$3528
\n" ); document.write( "That adds up to $4998\r
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