A person borrows two equal sums of money at the time at 5% and 3.75% simple interest respectively & finds that if he repays the former sum a year before the latter the amount paid in each case is the same that is Rs.736. Find the total sum borrowed.

2 answers

.05(n-1)x = 736
.0375nx = 736

Now just solve for x, then double it.
Solution