Answer:
I believe it is C
Step-by-step explanation:
because in order to find out how much he has left to read you have to find out how much he has read.
Number of earthquakes decreased
Answer:

Step-by-step explanation:
Convert
to a decimal
Step 1. Reduce the fraction to its lowest terms.
Divide both numerator and denominator by their greatest common factor (12)

Step 2. Convert the denominator to a power of 10
Multiply both numerator and denominator by 2.

Step 3. Divide the numerator by the denominator
Dividing by 10 moves the decimal point one place to the left.

First you need to combine like terms the get all numbers and leters to one side then divide to get g alone so your left with G=5