document.write( "Question 1181862: Three software applications are priced as follows. 1.spreadsheet=$160 2.Database=$185 3.Word processing=$270. Spreadsheet and Database sold in equal numbers, but 35 more Word processing applications were sold than the other two combined. If the three applications generated sales of $80,250, how many Spreadsheets were sold \n" ); document.write( "
Algebra.Com's Answer #811809 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "Let x be the number of spreadsheet apps, the same as the number of database apps.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then the number of the Word processing apps sold was (2x + 35).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Now you write this \"money equation\" (revenue equation)\r\n" ); document.write( "\r\n" ); document.write( " 160x + 185x + 270*(2x+35) = 80250 dollars.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Simplify and find x\r\n" ); document.write( "\r\n" ); document.write( " 160x + 185x + 540x = 80250 - 270*35\r\n" ); document.write( "\r\n" ); document.write( " 885x = 70800\r\n" ); document.write( "\r\n" ); document.write( " x = 70800/885 = 80.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "ANSWER. 80 spreadsheet apps were sold.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |