That should 20 28mm infantry for 100 points.
A great start to 2018 and your Challenge Scott, the Victrix slingers really look the part and I'm sure they'll give the Roman Velites a run for their money! I do like the splash of colour you've used on them too, it makes the figures pop!
Crusader do make some great figures that almost seem to paint themselves, these included. What I like about these is the complete opposite of the slingers, the absence of to much colour, making a very attractive drab appearance, only highlighted by the clever inclusion of the brick red bricks on the base.
Top work ol' chap!
As you've suggested I too make that a clean round 100 points!