JEE Main 2021 Chemistry question

0.4 g mixture of NaOH, and some inert impurities was first titrated with HCl using phenolphthalein as an indicator. 17.5 mL of HCl was required at the end point. After this methyl orange was added and 1.5 mL of same HCl was required for the next end point. The weight percentage of in the mixture is . (Rounded off to the nearest integer)