What we have to solve is:

we should multiply both sides by10, to get the "x" by itself:



so there are 8 tenths in this number!
Answer:
The diameter of the circle is 13.
Answer:
okay i will
Step-by-step explanation:
1 3/9 but if reduce to lowest term than 1 1/3
Answer
it is the 3rd one I believe sorry if you got it wrong thought
Step-by-step explanation:
I think you can find the explan on g00gle or on your notes if you write any