1. 1st divide to half take the heavier out 7 i B1 }2 n, A1 } m2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for) / v0 L# q' N4 n1 \4 s5.39.217.763. Same method if is not equal on 2nd try.