Question 1203331
<pre>
BUNS          SOLD      REMAINING
  q            q/3        2q/3
  m           2m/5        3m/5
</pre>
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...she had 50% as many butter buns as cheese buns left. 
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{{{3m/5=(0.5)(2q/3)}}}

-

{{{3m/5=(1/2)(2q/3)}}}

{{{3m/5=q/3}}}

{{{m=q(1/3)(5/3)}}}

{{{m=(5/9)q}}}


ORIGINALLY BAKED
{{{q}}} of the cheese buns
{{{(5/9)q}}} of the butter buns


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What fraction of the buns baked was butter buns?
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{{{(5q/9)/(5q/9+q)}}}

{{{(5/9)/(5/9+9/9)}}}

{{{(5/9)/(14/9)}}}

{{{highlight(5/14)}}}