Question

A chemist shop opens at 10 am, and closes at 8.30 p.m. How long does the shop remain
open? By how it comes show​

Answer 1

Answer:

10 hrs 30 mins

Step-by-step explanation:

we should convert the following

10:00 a.m. is equals to 1000 in 24 hour clock method

and 8:30 PM converts into 2030 in 24 hour clock method

now we have to substract the lesser number from the greater number

the answer will be 1030 that's the correct time now convert it into 12 hour clock third that will be 10:30 it means 10 hours and 30 minutes