4. Mr. Canyon spins a wheel to determine the number of homework problems to assign. There are 20 sections labeled 1-20. What is the probability that there will be fewer than 13 problems
assigned for homework?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?