⟩ Tell me in a staff room, there are four racks with 10 boxes of chalk-stick. In a given day, 10 boxes of chalk stick is in use. What is the fraction remains in the rack?
If each rack consist of 10 box of chalk stick, then total number of box on 4 racks will be
4X 10 = 40
Now, the second part is 10 of the boxes are in use which means that total amount of box left is= 40 – 10 = 30.
Now the fraction will be
Remained/ total = 30/ 40 = 3 / 4 is the fraction remain in the rack
