<PRE><B>Question 1157832</B>
(a)
{{{ 15 -(-66 ) = 15 + 66 }}}
{{{ 15 + 66 = 81 }}}
81 degrees difference
(b)
1:15 is 01:15 using a 24 hr clock
01:15 minus 2 hrs is 23:15 PM
23:15 minus 15 min is 23:00 PM
Now subtract {{{ 50 - 15 = 35 }}} more minutes
23:00 minus 35 min is 22:25
He left the airport at 22:25
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