Easy example that shows

:
Let

.
Then

.
So

, or

, and so

.
The basic idea is to find the period of the repeating decimal, move the

digits belonging to one period over to the left of the decimal point by multiplying by

, then subtract the original repeating decimal from this new number, and finally divide by

.
A slightly more complicated example:
Let

.
Then

.
Then

, or
I would set this up as a ratio:

From here on, you solve for x. To do so, you can cross multiply:


So,
Lisa can run 9.2 miles in 69 minutes.
Answer:
I don't know how you want the percentages to be rounded but it is: 36% rounded
Step-by-step explanation:
The answer for your question would be 0.1111. Hope this helps
So like DB must add up to 180 so you should add 51+78 and subtract that from 180 and that will give you the measure of AFE. That also means that AC must add up to 180 so subtract 78 from 180 and that will give you CFB . And that’s the jist of it, hope this helped you out !!!