Answer :

Answer:

Hence, beginning time is:

9:38 a.m.

Step-by-step explanation:

We know that:

" Elapsed time is the time or difference between a beginning time and an ending time "

Here we are given that the ending time is:

10:08 a.m.

and elapsed time is:

0:30 minutes.

This means the beginning time will be :

ending time - elapsed time.

Hence on counting back 30 minutes from 10:08 am we get the beginning time as:

9:38 a.m.

We have to subtract 30 minutes from 10:08 am, then the elapsed time will be 9 hours 38 minutes.

What is subtraction?

It simply means to deduct something from the object or number of group, place, etc. Subtraction means to take away from the group or a number of objects.

Ending time: 10:08 am elapsed time: 30 minutes. Then the time will be

We know that elapsed means before 10:08 am. So we have to subtract 30 minutes from 10:08 am. Then we have

[tex]\begin{matrix} & 10 & : & 08 \\- & 00 & : & 30 \\& \overline{09} & : & \overline{38}\end{matrix}\\[/tex]

Then the time will be 09:38 am.

More about the subtraction link is given below.

https://brainly.com/question/4319655

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