Below is the picture of an outline for the interior space of a building. A rare and precious jewel lies somewhere inside. Round probabilities to the nearest tenth of a percent.

What is the probability that the jewel is hidden in region A? ______%

What is the probability that the jewel is hidden is region B or C? _____%

A burglar does not know where the jewel is in the building. He can, however, break in and search 50 square feet every minute. An alarm will sound after 5 minutes. Find the probability the burglar will find the jewel before the alarm sounds. _____%

42 ft B 54 ft A 36 ft C 12 ft ----------| 24 ft 18 ft