Question

2.What is 10:30 pm in the 24-hour clock?

Answer 1

2. 22:30

just add 12 on the front

that is the formula

Answer 2

2 If 9:30pm is 21:30,then 10:30pm=22:30 pm

3 15 seconds

4. If 10:30 = 22:30 then 11:50pm = 23:50

16. 3*1.5*1=4.5m^3

I think this are the ones I can try ,I hope this helps.