Well, isn't that a happy little question! If you take 2400 and divide it by 3, you'll find that a third of 2400 is 800. Just imagine all the beautiful things you could do with 800 - like painting a lovely landscape or spreading kindness to others.
One third of 2400 is 800, add this to your 2400 and you get 3200.
Eight hundred is one third of 2400.
2700-2400/2400= 300/2400=.125 12.5%
2400
2400
2400
40% of 2400= 40% * 2400= 0.4 * 2400= 960
2400
2400
2400
5 x 2400 = 12000 5% of 2400 = 120
75% of 2,400= 75% * 2400= 0.75 * 2400= 1,800