Tim set off at 10 am local time but shortly afterwards he realised he had left his ticket at home.
As a result he missed his 4 hour flight to Oklahoma, so had to get the 12 pm (midday) flight
instead.
Jerry travelled by train for 2 hours to Salt Lake City (Mountain Time Zone), leaving
San Francisco at 6 am local time. He then immediately boarded a bus from Salt Lake City to
Oklahoma, where he arrived 6 hours later.
Which one of the following is true?
A Jerry arrived in Oklahoma 3 hours before Tim.
B Jerry arrived in Oklahoma 1 hour before Tim.
C Jerry and Tim both arrived in Oklahoma at the same time.
D Tim arrived in Oklahoma 1 hour before Jerry.
E Tim arrived in Oklahoma 3 hours before Jerry.