document.write( "Question 269076: In one week, a music store sold 9 guitars for a total of $3611. Electric guitars sold for $479 each and acoustic guitars sold for $339 each. How many of each type of guitar were sold? \n" ); document.write( "
Algebra.Com's Answer #197216 by mananth(16946)\"\" \"About 
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In one week, a music store sold 9 guitars for a total of $3611. Electric guitars sold for $479 each and acoustic guitars sold for $339 each. How many of each type of guitar were sold?\r
\n" ); document.write( "\n" ); document.write( "Let electric guitars sold be x
\n" ); document.write( "elec guitars------------- acous guitars-------------- total
\n" ); document.write( "x-------------------------- 9-x------------------------9\r
\n" ); document.write( "\n" ); document.write( "479-------------------------339-----------------------3611\r
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\n" ); document.write( "\n" ); document.write( "479*x+(9-x)*339=3611
\n" ); document.write( "479x + 3051- 339x=3611\r
\n" ); document.write( "\n" ); document.write( "140x= 3611-3051
\n" ); document.write( "140x=560
\n" ); document.write( "x=4 ------------ Electric gutars
\n" ); document.write( "9-4 = 5 Number of Acoustic guitars\r
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