In the 1908 London Olympics, the 400-meter race was introduced. Wyndham
Halswelle of Great Britain won with a time
of 50.0 seconds. In 1996, Michael Johnson
of the United States ran the 400-meter race
with a time of 43.18 seconds, which is the
current record. If they had been racing
together, approximately how many meters
would Halswelle still have had to run after
Johnson finished the race?