Simple interest of money is 3/16 of it if no of year of times is 3 times of no representing the rate percent . What is the rate of interest

Hope you can understand and as me chose a brinilist

Answer

We know SI=

100

P×R×T

here SI=(9/16)P

so,

16

9P

=

100

P×R×T

Also R=T is given,

16

9P

=

100

P×T

2

T

2

=(100×9)/16

T=(10×3)/4=7

2

1

years