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# At a certain diner, a hamburger and coleslaw cost $3.59, and  post reply Question banks Downloads My Bookmarks Reviews Important topics Author Message Director Joined: 03 Jul 2003 Posts: 652 At a certain diner, a hamburger and coleslaw cost$3.59, and [#permalink]

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22 Jan 2004, 18:16
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At a certain diner, a hamburger and coleslaw cost $3.59, and a hamburger and french fries cost$4.40. If french fries cost twice as much as coleslaw, how much do french fries cost?
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23 Jan 2004, 00:49
hamburger=x
coleslaw=y
french fries =z

x+y=3.59
x+z=4.4
z=2y

Therefore y=0.81
french fries=1.62

Vivek.
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"Start By Doing What Is Necessary ,Then What Is Possible & Suddenly You Will Realise That You Are Doing The Impossible"

23 Jan 2004, 00:49
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# At a certain diner, a hamburger and coleslaw cost \$3.59, and

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