We can easily get the quarts per hour rate by dividing the number of quarts by the number of hours:

Now that we have the quarts per hour rate, we can easily address the question: the factory could make

quarts in 48 hours, with a daily rate of

quarts per day
They r both the right answers my friend!!! :)
Answer:
step 3: he should have divided both sides by -7
First, a scale factor is the ratio of the corresponding sides in two similar geometric figures.
To find the scale factor:
1. Locate two corresponding sides (one on each figure).
2. Write the ratio of one length to the other.
And there you go! That's the scale figure from one figure to the other
Hope that helps and correct me if I'm wrong!
Answering from phone so this will be a bit messy.
a
b=a+1
c=b+1=a+2
2a=b+20
Therefore:
2a=a+1+20
a=21,b=22,c=23