96,000 because you just time how many square feet to how much a square foot is...
Answer:
B
Step-by-step explanation:
Let:
x = Chemistry textbooks sold
y = Physics textbooks sold
The textbook store sold a combined total of 260, so:

The number of chemistry books sold was three times the number of physics textbooks sold, so:

Let:

Replace (2) into (1):

Replace the value of y into (2):
396 is going to be your answer your welcome