Just because your behind with only 40% or less equity it doesn't make folding the most profitable.


Also this is not always the only range.


Party Poker No-Limit Hold'em, $0.04 BB (10 handed) Party-Poker Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

SB ($4.35)
BB ($2.35)
UTG ($1.98)
UTG+1 ($5.34)
UTG+2 ($5.10)
MP1 ($8.73)
MP2 ($4.88)
MP3 ($1.42)
CO ($4.24)
Hero ($5.49)

Preflop: Hero is Button with , .
UTG calls $0.04, UTG+1 raises to $0.08, 1 fold, MP1 calls $0.08, 3 folds, Hero raises to $0.4, 2 folds, UTG folds, UTG+1 calls $5.34 (All-In), MP1 folds, Hero calls $4.94.

Flop: ($10.84) , , (2 players, 1 all-in)

Turn: ($10.84) (2 players, 1 all-in)

River: ($10.84) (2 players, 1 all-in)

Final Pot: $10.94

Results
UTG+1 has Th As (three of a kind, tens).
Hero has Js Jh (two pair, jacks and tens).
Outcome: UTG+1 wins $10.84.