Question

george is building a fence at a consent rate of 1/3 section of fence every 1/2 hour at the rate. what fraction represents the section iof fence george can build per hour

Answer 1

George, after 1 hour, Should have 2/3 section of fence done. Since there is 30 minutes 1/2 an hour, And he is doing 1/3 every 30 minutes. You must add 1/3 and 1/3 to get an hours worth of work