document.write( "Question 69172: six pears and three apples cost $3.90. two pears and five apples cost $3.30. how much does one pear cost? write one equation for each situation and solve the system of equations.\r
\n" ); document.write( "\n" ); document.write( "let p = the cost of one pear
\n" ); document.write( "let a = the cost of one apple\r
\n" ); document.write( "\n" ); document.write( "a. write a system of equations that can be used to determine the cost of pears and apples.\r
\n" ); document.write( "\n" ); document.write( "b. determine the cost of one pear and one apple.
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Algebra.Com's Answer #49272 by checkley75(3666)\"\" \"About 
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6P+3A=390
\n" ); document.write( "2P+5A=330 NOW MULTIPLY THIS EQUATION BY -3 & ADD.
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\n" ); document.write( "-6P-15A=-990
\n" ); document.write( "6P+3A=390
\n" ); document.write( "-----------------------
\n" ); document.write( "-12A=-600
\n" ); document.write( "A=-600/-12
\n" ); document.write( "A=50 APPLES. NOW SUBSTITUTE 50 FOR A & SOLVE FOR P
\n" ); document.write( "6P+3*50=390
\n" ); document.write( "6P+150=390
\n" ); document.write( "6P=390-150
\n" ); document.write( "6P=240
\n" ); document.write( "P=240/6
\n" ); document.write( "P=40 NUMBER OF PEARS
\n" ); document.write( "PROOF
\n" ); document.write( "2*40+5*50=330
\n" ); document.write( "80+250=330
\n" ); document.write( "330=330
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