document.write( "Question 1011579: A pair of shoes costs £5 more than twice the cost of a tie. If Grant buys two pairs of shoes and three ties, the total cost is £255. Find the cost of:
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document.write( "a) a tie
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document.write( "b) a pair of shoes
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Algebra.Com's Answer #627284 by harpazo(655)![]() ![]() You can put this solution on YOUR website! One pair of shoes = 2x + 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "One tie = x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(2x + 5) + 3x = 255\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4x + 10 + 3x = 255\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7x + 10 = 255\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7x = 255- 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7x = 245\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 245/7\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 35\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "One tie sells for 35£.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "One pair of shoes sells for\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(35) + 5 = 75£.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I hope this helps. \n" ); document.write( " \n" ); document.write( " |