no
you can't have two of the same numbers
X\times 2 bc it is correct I think I’m not sure but yeah
The logarithm of a quotient can be written as a difference of logarithms:

You can also think of this as a combination of the product-to-sum and reciprocal/power properties of logarithms:

To summarize,



The answers are:
1. c = 31.4
2. 96.2