When you select 50/50 you get half paid out in SP and half paid out in SBD (Steembacked dollars).
SBDs are over $6 right now but are still pegged as $1 in terms of Steemit paying out.
So a $30 payout on a Steemit post will get you 15 SBD (minus curation rewards) and the rest in SP.
But those 15 SBD are actually worth $90 right now so you are getting much more USD for your Steemit payouts right now if you choose the 50/50 option.
Hope this helps
Whoa, totally didn’t see your reply @chiefmappster. Could’ve saved myself some time!
Woahhhhhh for real I didn't see yours either. We must have been commenting at the same time haha
Awe lol ;)