4. Mang Ramon started working in the farm at 1050 hours and finished at
1420 hours. How long did Mang Ramon work in the farm?
A. 3 hrs.
C. 3 hrs and 30 mins
B. 2 hrs and 30 mins
D. 4 hrs and 25 mins
5. Aling Nelly needs to take medicine every 3 hours and 30 minutes. She
took her first dose of medicine at 9:20 AM. What would be her schedule
for taking the third doses of medicine?
A. 12:50 pm
B. 4:20 pm
C. 3:40 pm
D. 4:50 pm​