George is building a fence. he builds his fence at a constant rate of 1\3 section of fence every 1\2 hour. at this rate, what fraction represents the section of fence george can build per hour?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.