Answer:
3 gallons.... It says it in the question
Step-by-step explanation:
Give me the whole question including information, and graphs.
Answer:

Step-by-step explanation:
The given equality is

Take the term
to the left hand side. This means the term
will be divided by 

Now since both the numerator and denominator have negative sign the value of fraction will be positive.

Now
and 

So, the missing factor 