Income of Avin is 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?
There r few things whch we knw whch r nt capable of mathmatical reasoning nd when these can nt it is a sign dt our knowledge of them is very smal nd confusd nd where a mathmaticl reasing can be had . It is as dark a foly to make use a candle stick as to g