To solve this, you can use this helpful equation:
=
Since you now have this equation, you can just plug in.
To find x you would cross multiply, multiply the x with 100 and the 15 with the 20%.
100x = 300
Now to find x you would just divide both sides by 100.
x=3
Answer:
A.
Explaintion:
n=13. 13+2 = 15
I hope this helps ( :
you get 6.90372 so i thnk it is clse to B
There's no equation. You must've forgotten to put the file in the question.