Question

the interest of the sum of money at the end of 2 whole 1/2 years is 4/5 of the sum what is the rate percent​

Answer 1

Answer:

Let the sum be rs 100

SI= 4/5 of the sum

SI= 4/5×100=rs 80

Time= 21/2

Rate= SI×100/P×T

Rate= 80×100/100×21/2

=160/21 % pa

Answer 2

$<b><I>$First,Let the sum be= Rs100

✔️SI= 4/5 of the sum
✔️SI= 4/5×100=rs 80

✔️Time= 21/2
✔️Rate= SI×100/P×T
✔️Rate= 80×100/100×21/2=160/21 % pa

Now,convert into whole✅✅

#Thank_uh