Question 805210
Note that {{{ 45 }}} min is {{{ 3/4 }}} of an hour, so
3 hours and 45 minutes = {{{ 3.75 }}} hrs
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Now you can set up a ratio
{{{ 68/1 = d/3.75 }}}
{{{ d = 3.75*68 }}}
{{{ d = 255 }}} miles