72 = x% from 24
72 = \(\frac{x}{100}\) 24
72 = \(\frac{x}{25}\) 6
72 = \(\frac{6x}{25}\) / * 25 (both sides)
1800 = 6x / ÷ 6 (both sides)
x = 300
Answer: 72 is 300% of 24.
You can also do it easily in head as 72 is just as much as 3 times 24, so it has to be 300%.
