The denominator is 20. If you multiply 10 by 2 and then divide it by 1 you will get the answer. This works with almost all fractions as long as there exists an equal sign in-between them.
54 is the answer to your question
That equation can represent the relationship among the image distance,
object distance, and focal length of a lens.
It could describe the effective resistance of two resistors in parallel, the
effective inductance of two coils in parallel, or the effective capacitance
of two capacitors in series.
Thanks for sharing it. Now, did you have a question to ask ?
Answer:
In the first coordinate
Step-by-step explanation: