Question 843956
For the 1st {{{ 1.47 }}} hrs, she covers:
{{{ d[1] = 38*1.47 }}}
{{{ d[1] = 55.86 }}} km
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She has {{{ 82 - 55.86 = 26.14 }}} km
left to travel, and {{{ 2 - 1.47 = .53 }}}
hrs left
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{{{ 26.14 = v*.53 }}}
{{{ v = 26.14/.53 }}}
{{{ v = 49.321 }}}
She must maintain 49.321 km/hr for the remaining time