Question 26423
Let the orignial group be x
(x+6)(360-2x)
360x+2160-2x^2-12x=0,x
-2x^2+348x+2160=0,2
2x^2-348x-2160
Factor:
x=-6 and x=180
Remove the negative.
Hence, there were 180 orginal goup of travellers.
Paul.