exercise 72 question 38

3:10

8:22

9:26

4:16

6:07

10:37

15:30

12:00

4:58

2:57

49:32

14:00

13:30

2:25:34

14:55

7:17

3:46

36:35

27:37

41:37

00:22

8:45

6:38

17:08

38:51

17:05

6:50

7:18

13:36

1:09:37

32:21

10:01

13:47

12:46

11:30

3:01

1:07:18

10:16

3:17

1:56

3:33

1:52

1:08:45

9:19

8:12

14:34

3:49

1:13

9:26

2:58

2:33

36:35

31:11

26:36

7:38

9:05

9:07

22:38

5:49

1:29