document.write( "Question 1030567: a customer buys five cans of baked beans, four packets of brown sugar and two packets of biscuits from a supermarket. he gives the cashier R150.00 and gets R26.00 in change. a can of baked beans costs half as much as a packet of biscuits whilst a packet of sugar is three rand cheaper than a packet of biscuits.\r
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document.write( "calculate the cost of a can of baked beans, a packet of sugar and a packet of biscuits?\r
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document.write( "how much will eight cans of baked beans, one packet of sugar and six packets of biscuits cost? \n" );
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Algebra.Com's Answer #645430 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make a packet of biscuits = x \n" ); document.write( "Tin of beans then = x/2 \n" ); document.write( "Packet of sugar = x - 3 \n" ); document.write( "Change from R150.00 = R26.00 \n" ); document.write( "So cost of five cans of baked beans, \n" ); document.write( "four packets of brown sugar \n" ); document.write( "and two packets of biscuits = R124.00 \n" ); document.write( "5(x/2) + 4(x - 3) + 2x = R124.00 \n" ); document.write( "5x/2 + 4x - 12 + 2x = R124.00 \n" ); document.write( "Collect like terms: \n" ); document.write( "5x/2 + 4x + 2x = R124.00 + R12.00 \n" ); document.write( "5x/2 + 6x = R136.00 \n" ); document.write( "Multiply throughout by 2 \n" ); document.write( "5x + 12x = R272.00 \n" ); document.write( "17x = R272.00 \n" ); document.write( "x = R16.00. \n" ); document.write( ".................. \n" ); document.write( "Packet of biscuits = R16.00 \n" ); document.write( "Tin of beans = R8.00 \n" ); document.write( "Packet of sugar = R13.00 \n" ); document.write( ".................... \n" ); document.write( "how much will eight cans of baked beans, \n" ); document.write( "one packet of sugar and six packets of biscuits cost? \n" ); document.write( "8(R8.00) + R13.00 + 6(16.00) \n" ); document.write( "= R173.00 \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |