Question 435723
x board in miami
x/2 leave in jamaica and 40 join
in bahamas 1/4(x/2+40) leave and 52 board
in bermuda 1/5((1/4(x/2+40)+52) leave and 35 board
4/5(3/4(x/2+40)+52) +35=163
208 began the cruise in miami
check

104 got off in jamaica
104+40=144
1/4 got off in bahamas
36 got off in bahamas and 52 boarded
108 +52=160
1/5 got off in  bermuda 160/5=32 got off and 35 got on 
160-32=128
128+35=163