Question

A man spends 2/5 of his salary on food and 3/10 of the remaining on house rent electricity etc what fraction of his salary is still left with him

Answer 1

Answer:

Step-by-step explanation:

Let the salary of a man be x

Than,

He spent 2/5 of his salary on food

So, remaning salary =1-2/5

=3/5

Now,

He spent 3/10 of his remaining salary on electricty

So, he spent = 3/10×3/5

=9/50

Than,remaning salary of a man =3/5-9/50=21/50