Question 1137307
<pre>
         speed          time          distance

swam        2           9.5-x       2(9.5-x)

ran        11            x           11x

total                    9.5           68.5
</pre>
{{{2(9.5-x)+11x=68.5}}}

-

{{{19-2x+11x=68.5}}}

{{{9x+19=68.5}}}

{{{9x=68.5-19}}}

{{{x=5.5}}}

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