document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1142303>Question 1142303</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 12 oz gatorade bottle costs $2.50 and a 8oz gatorade bottle costs $1.75. Which size bottle is the better buy?\r<BR>\n" );
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document.write( "My work: I divided 12/2.50 and got 4.8 (I'm guessing the is the number of ounces per dollar) and for the other one i did 8/$1.75 and got 4.57oz. Is this correct?<BR>\n" );
document.write( "I think the seccond bottle is the better buy </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #763018 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=763018\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> one 12 ounce bottle costs 2.50<BR>\n" );
document.write( "one 8 ounce bottle costs 1.75.\r<BR>\n" );
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document.write( "what you did is possible, but can be confusing.\r<BR>\n" );
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document.write( "you got the number of ounces per dollar.\r<BR>\n" );
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document.write( "12 / 2.50 = 4.8 ounces per dollar.<BR>\n" );
document.write( "8 / 1.75 = 4.57 ounces per dollar.\r<BR>\n" );
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document.write( "you then assumed that the less ounces per dollar was cheaper.<BR>\n" );
document.write( "in fact, the more ounces per dollar is cheaper.\r<BR>\n" );
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document.write( "what you should have done is get the cost per ounce.\r<BR>\n" );
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document.write( "2.50 / 12 = .20833<BR>\n" );
document.write( "1.75 / 8 = .21875\r<BR>\n" );
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document.write( "the 12 ounce can is cheaper because the cost per ounce is cheaper.\r<BR>\n" );
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document.write( "another way i do it sometimes is this.\r<BR>\n" );
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document.write( "12 ounce can is 2.50<BR>\n" );
document.write( "8 ounce can is 1.75\r<BR>\n" );
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document.write( "i look for the least common multiple, which is 24.\r<BR>\n" );
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document.write( "24 = 2 * 12 = 2 * 2.50 = 5 dollars.<BR>\n" );
document.write( "24 = 3 * 8 = 3 * 1.75 = 5.25 dollars.\r<BR>\n" );
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document.write( "12 ounce can is cheaper.\r<BR>\n" );
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document.write( "you had the right idea, but you should have gotten dollars / ounce, and not ounces / dollar.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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