3(-4)+5=total
total=-12+5
= -7
ans= b
I found the missing graphs but I only attached the correct graph that answers the above question.
I also made notes in the image. Pls. see attachment.
For this case we can make the following rule of three to solve the problem:
126 --------> 14
x -----------> 30
We clear the value of x:
x = (30/14) * (126)
x = 270 400 page books
Answer:
it could collate in 30 days about:
x = 270 400 page books