10% of 10 is 10%*10 which is 1 :)
Answer: The required equation be

Step-by-step explanation:
Since we have given that
Let the number of meeting rooms a hotel has be m
Number of social chairs each meeting room has =325
So, total number of chairs m number of meeting rooms will have

Let the number of chairs be c
According to question, we get

Hence, the required equation be

Absolute value is simply the non-negative version of the number regardless of its symbol
So for the absolute value of 20? the answer is just 20.
For reference, the absolute value of -20 is also just 20.
Hope the explanation helps :)