document.write( "Question 1031839: Pablo buys 4 sandwiches and 1 drink for $16. Susie buys 2 sandwiches and 2 drinks for $11. Find the price of each item. \n" ); document.write( "

Algebra.Com's Answer #646501 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "Pablo buys 4 sandwiches and 1 drink for $16. Susie buys 2 sandwiches and 2 drinks for $11. Find the price of each item.
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document.write( "4s +  d = 16,   (1)\r\n" );
document.write( "2s + 2d = 11.   (2)\r\n" );
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document.write( "Multiply equation (1) by 2 (both sides). Then distract the equation (2) from it. You will get\r\n" );
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document.write( "8s - 2s = 32 - 11,   or\r\n" );
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document.write( "6s = 21.\r\n" );
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document.write( "Hence,  s = .\r\n" );
document.write( "Then d = 16 - 4s = 16 - 4*3.50 = 16 - 14 - 2.\r\n" );
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document.write( "Answer.  The price for sandwich is $3.50, the price for drink is $2.\r\n" );
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