A woman started a business by birr3000,she lost birr 100 in the first month ,birr 60 in the second month ,birr20 in the third month and so on. Assuming that this improvement continued at the same ?

Assuming that the woman continued to lose money at the same rate each month, we can calculate the total amount she lost over a certain period of time.

In the first month, she lost birr 100.
In the second month, she lost birr 60.
In the third month, she lost birr 20.

If we continue this pattern, we can see that she is losing money in decreasing amounts each month. Let's calculate the total amount she lost over the first 3 months:

Total loss = birr 100 + birr 60 + birr 20 = birr 180

If we want to calculate the total loss over a longer period of time, we can continue the pattern. For example, if we want to calculate the total loss over the first 6 months:

Total loss = birr 100 + birr 60 + birr 20 + birr 5 + birr 1 + birr 0.25 = birr 186.25

So, assuming the improvement continued at the same rate, the woman would have lost birr 186.25 over the first 6 months.