Aand b share money in a ratio of 9: 4. how much of the £39000 does b get?

So we have a total of 39000
and a total of 9+4 parts to split it in
so split 39000 into 13 parts
39000/13 = 3000
9:4
9(3000) : 4(3000)
27000:12000

Skew lines(segments) are lines(segments) in 3 dimensions that do not intersect the given segment and are not parallel to it.  ae, bf, eg, and fh are your skew segments.  i hope that : )