If 0.03 is X% of 0.3, then the value of X is:

30 10 3 9

10

⇒ 0.03 = X% × 0.3 ⇒ X% = \(\frac{0.03}{0.3}\) ⇒ \(\frac{X}{100}\) = \(\frac{1}{10}\) ⇒ X = 10