Answer i think would be
l-4x+4l
---------
x-1
Check :
brainly.com/question/5023362 To see what are the factors use, we write each of the numbers, as product of prime factors, as shown in the picture
As we can see, the 4 factors used to produce the numbers in the list are {2, 3, 5, 7}
Answer: {2, 3, 5, 7}
You need to do 120-60=60 and that means he only needs $60.