The only reason why ivette would lose the vote is if maggie and April were so mad that she betrayed them. Think of the people in there. bobo and james are for sure votes for ivette.
If ivette did jump (oh please do, makes for good TV watching), and she made it final 2 with either Jan or Howie. Vote would be for Ivette
Ivette - Jen, James, bobo, maggie, ape
Jan/Howie - Rach, Jan/Howie...
Now if America decided