The answer for your question is a
Answer:
d =
Step-by-step explanation:
1) To solve for d, isolate it in the equation. So, to get rid of the
with the d, add
to both sides.

Thus, d =
.
Step-by-step explanation:
when the difference between CI and SI given then the sum =
difference (100/r)^2
given difference is Rs . 180
Rate of interest is 15%
sum = 180× (100/15)^2
180×10000/225
= 8000
Answer:
4..............21...........