Question

Sonu invested 10% more than
Mona. Mona invested 10% less
than Raghu. If the total sum of
their investment is Rs. 5,780,
how much amount did Raghu invest ?

Answer 1

\[

s = (1+0.10)m = 1.10 m \\
m = (1-0.10) r = 0.9r \\
s+m = 5780
\]

Answer 2

This is a system of equations.

Answer 3

thanks a lot