Question

answer me the question for me

Answer 1

Answer:

HEY!! I GOT THE ANSWER FOR YOUR QUESTION......

Rate of interest =18%p.a

Step-by-step explanation:

1.let the sum of money be x and rate be r

2.S.I=(x×r×5/4)÷100

3.Amount=x+xr/80

4.49x/40=80x+xr/80

5.(49x)80=(80x+xr)40

6.3920x-3200x=40xr

7.720x÷40x=r

8.18=r

Rate of interest=18%p.a