document.write( "Question 1116727: Sharpay is going shopping for some new stationery. She can buy three pencils and a ruler for 50p or two pencils and 2 rulers for 56p. How much does a pencil cost her?''.
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Algebra.Com's Answer #731637 by ikleyn(52782) $\"\"$ $\"About$

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document.write( "1.  2 pencils and 2 rulers cost 56p  ====>   1 pencil and 1 ruler cost 28p.\r\n" );
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document.write( "2.  Now you have\r\n" );
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document.write( "    3 pencil and 1 ruler cost 50p   (first part of the condition),     and\r\n" );
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document.write( "    1 pencil and 1 ruler cost 28p.                  =====================>\r\n" );
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document.write( "    It implies that 2 pencils cost 50-28 = 22p.\r\n" );
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document.write( "    It means that 1 pencil cost 11p.\r\n" );
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