Every 1/2 hour jess stretches her neck; every 1/3 hour she stretches her legs; and ever 1/6 hour she stretches her arms. which parts of her body will jess stretch when 2/3 hour has passed?

Given: lkm jkm, clmk prove: alkmajkm jmk. choose the word that completes the sentence correctly. proof: lkm jkm and lmk * umk are given. km km by the property of congruence. equivalence symmetric reflexive transitive