¼ is equal to 0.25 because when you times by 4 you get a whole :)
Answer:
1/4000
1 milimeter on paper means 4000 in real
15h + 80 = 140
If you wanted to solve how many hours he worked:
15h + 80 = 140
15h = 60
h = 4.
The usual definition of Least Common Multiple of two numbers states that is the Least positive integer that can be evenly divided by both numbers. The way it is usually defined the two numbers must be positive integers