document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205022>Question 1205022</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mark spent 1/10 of his salary on transport and 1/5 of it on  food. He also gave 1/2 of his salary to his parents. He saved the remaining $480.<BR>\n" );
document.write( "a) What fraction of the salary did he save?<BR>\n" );
document.write( "b) How much money did he give his parents?<BR>\n" );
document.write( "c) How much did he spend on food and transport?\r<BR>\n" );
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document.write( "A.  a) 1/3, b) $1,000, c) $220\r<BR>\n" );
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document.write( "B. a) 1/5, b) $1,200, c) $240\r<BR>\n" );
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document.write( "C. a) 1/7, b) $1,400, c) $260\r<BR>\n" );
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document.write( "D. a) 1/9, b), $1,600, c) $280 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #841605 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=841605\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> he spent 1/10 on transport<BR>\n" );
document.write( "he spent 1/5 on food<BR>\n" );
document.write( "he spent 1/2 on his parents<BR>\n" );
document.write( "that's a total of 1/10 + 2/10 + 5/10 = 8/10.<BR>\n" );
document.write( "let x = his total salary.<BR>\n" );
document.write( "he saved 480.<BR>\n" );
document.write( "your formula is 1/10 * x + 1/5 * x + 1/2 * x + 480 = x<BR>\n" );
document.write( "this becomes 8/10 * x + 480 = x<BR>\n" );
document.write( "subtract 8/10 * x from both sides of the equation to get:<BR>\n" );
document.write( "480 = 2/10 * x<BR>\n" );
document.write( "solve for x to get:<BR>\n" );
document.write( "x = 10/2 * 480 = 2400\r<BR>\n" );
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document.write( "the fraction of his salary that he saves if 480 / 2400 = .2 which is equal to 1/5.\r<BR>\n" );
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document.write( "your solution needs to be selection B.\r<BR>\n" );
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document.write( "part a of selection B is correct.<BR>\n" );
document.write( "part b of selection B is correct.\r<BR>\n" );
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document.write( "part c doesn't look right.<BR>\n" );
document.write( "from the problem statement, he spent 1/10 on transport.<BR>\n" );
document.write( "that would be 240.<BR>\n" );
document.write( "he also spent 1/5 on food.<BR>\n" );
document.write( "that would be 480.<BR>\n" );
document.write( "if part c was only for transport, it would be correct.<BR>\n" );
document.write( "if it's really transport AND food, then it's wrong, because that would be equal to 3/10 * 2400 = 720.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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