If you stretch a spring a distance of 3.3 cm, it exerts a force of 64 N on your hand. What force will it exert if you stretch it a distance of 16.5 cm?

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?