<PRE><B>Question 381492</B>
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Hi
Question Sets Up the following Proportion:
Letting x represent the miles driven with 9 gal of gas
  {{{8/204 = 9/x}}}
Cross multiplying to solve for x
 8x = 9*204
  x = 229.5 mi, the miles driven with 9 gal of gas

CHECKING our Answer
 8/204 = 9/229.5 = .039</PRE>