3.Why did Mr.Johnson go to the railroad crossing watching the train pass?
◼ 3. Why did Mr. Johnson go to the railroad crossing watching the train pass?
He suffered from insomnia and after watching the train pass,he would have a good chance of falling asleep
He suffered from insomnia and after watching the train pass, he would have a good chance of falling asleep
4.Who helped Mr.Johnson find out the solution?
◼ 4. Who helped Mr. Johnson find out the solution?
The local doctor,who was also an amateur mathematician
The local doctor, who was also an amateur mathematician
5.How did the doctor explain to Mr Johnson?
◼ 5. How did the doctor explain to Mr. Johnson?