Where is the options or do we need to choose?
Answer:
i think its 13
Step-by-step explanation:
Answer:
X = 9 or 1/3
Step-by-step explanation:
Explanation given in attachment in order to well articulate the logarithm sign.
Note addition in logarithm means multiplication.
The logarithm of a number the same as the base is 1.
The answer would be 100
90+90+130+130=440.
540 - 440 = 100.