Problem Solving Work Backward

The test that Keyshawn's class took finished at 10:30 a.m. The first part of the test took 30 minutes. There was a 15 minute break. The second part of the test also took 30 minutes. At what time did the test start?

1 answer

9:15 am. Answer could vary depending on location of Testing. For example if the class were in an airplane it is possible to start the test in one time zone and finish in another.