Income of Avin is \(\frac{5}{8}\) of the income of Bina. Avin's expenses are one-half of those of Bina, and Avin saves 40% of his income. What percentage of her income does Bina save?
1
15
2
20
3
25
4
30
Income of Avin is \(\frac{5}{8}\) of the income of Bina. Avin's expenses are one-half of those of Bina, and Avin saves 40% of his income. What percentage of her income does Bina save?