I need this answer to please when you get the answer will you let me know thank you!!
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:
Step-by-step explanation:
1.17/10
2.6/5
3.11/5
Original price×(1-discount price)=new price or sale price so
Put x in original price...x(1-45/100)=550
So the original price is 1000