13, 6+7=13 thats my answer :D
Answer:

Step-by-step explanation:
Given


Required
After how many minutes, will they round together
First, convert the given time to minutes









So, we have:


List out the multiples of the time of both security personnel take round.


In the above lists, the common time is:

<em>This implies that they go on round after </em>
<em></em>
Answer:
32+160
Step-by-step explanation:
Answer:
3000.897
Step-by-step explanation: