Question 912891
w/o a tail wind going: s(w/o wind) = 250mph {{{1500mi/(9hr)}}}
returning
250 - w = 150 {{{1500mi/(10hr)}}}
50mph = w
........
with a tail wind going
s + w = 250
<u>s - w = 150</u>
2s = 400
s = 200mph
w = 50mph