1. 3:45

a. 20 minutes to 5

2. 4:40

b. 40 minutes to 9

3. 1:50

c. 15 minutes to 4

4. 6:35

d. 35 minutes to 12

5. 11:25

e. 25 minutes to 7

6. 8:20

f. 10 minutes to 2

7. 2:10

g. 10 minutes to 11

8. 9:35

h. 15 minutes to 1

9. 10:50

i. 50 minutes to 3

10.12:45

j. 25 minutes to 10