document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4869>Question 4869</A>: <I><SPAN STYLE=\"word-break: break-all;\"> four oranges and five apples cost $3.56. Three oranges and four apples cost $2.76. find the cost of an apple and the cost of an orange. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #2367 by </B><A HREF=/tutors/aboutme.mpl?userid=jainenderkapoor><B>jainenderkapoor(61)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jainenderkapoor><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=jainenderkapoor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=2367\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Whenever this type of problem comes.  Follow the simple steps mentioned below and get the answer.\r<BR>\n" );
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document.write( "Define two variables  x and y  (x representing cost of orange and y representing cost of apple)\r<BR>\n" );
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document.write( "Now if the cost of 1 orange is x, what is the cost of 2 oranges  ??<BR>\n" );
document.write( "YES   it is 2x   and COST of three oranges becomes  3x \r<BR>\n" );
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document.write( "So we can write the following two equations  ---\r<BR>\n" );
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document.write( "        4 x + 5 y = 3.56   -----  (1)   <BR>\n" );
document.write( "        3 x + 4 y = 2.76   -----  (2)\r<BR>\n" );
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document.write( "Now our aim is to solve the two equations to get the value of x and y\r<BR>\n" );
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document.write( "We can use the either of the methods  graphical methoid/ elimination method/ or equating the coefficients method\r<BR>\n" );
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document.write( "I am explaining the equating the coefficient method here.\r<BR>\n" );
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document.write( "We will be multiplying the first equation by  `3`,  which is the coefficient of x in the second equation,    AND multiplying the equation 2 by `4`, which is the coefficient of x in first equation.\r<BR>\n" );
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document.write( "        4 x + 5 y = 3.56   -----  (1)   X  3<BR>\n" );
document.write( "        3 x + 4 y = 2.76   -----  (2)   X  4\r<BR>\n" );
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document.write( "We get     12 x + 15 y = 10.68  -----  (3)   <BR>\n" );
document.write( "           12 x + 16 y = 11.04  -----  (4)\r<BR>\n" );
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document.write( "On subtracting (3) from (4)  we get<BR>\n" );
document.write( "    12 x + 16 y - 12 x - 15 y  =  11.04  - 10.68<BR>\n" );
document.write( "        y = 0.36<BR>\n" );
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document.write( "        Substituting the value of y in (1)   or (2) we can get the value of x\r<BR>\n" );
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document.write( "(1)  --   4 x + 5 (.36) = 3.56<BR>\n" );
document.write( "           4 x + 1.8 = 3.56<BR>\n" );
document.write( "           4 x = 3.56 - 1.8 = 1.76<BR>\n" );
document.write( "             x = 1.76/4 <BR>\n" );
document.write( "             x = 0.44\r<BR>\n" );
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document.write( "THIS IS HOW WE SOLVE THE QUESTION.\r<BR>\n" );
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document.write( "HOPE IT IS CLEAR TO YOU.  IF YOUR NEED MORE HELP, I AM AVAILABLE FOR ONLINE TUTORING ALSO. YOU CAN CONTACT ME ON kapoorjai1@rediffmail.com\r<BR>\n" );
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document.write( "              </SPAN>\n" );
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