A and B invest some amount of money in a scheme for equal period of time. The profit earned by A is Rs.3200 and the investment of A is twice that of B.
What is the total profit earned by A and B?
Rs.4800
Let the investment of B be x.
Investment of A is 2x.
Let the total profit earned be y.
Profit earned by A →2x3x×y=3200∴ y=Rs.4800