) Sandeep borrowed 3000 for 4 years and 8000 for 2żyears from Sonia at the same rate of
interest. The total interest earned by Sonia is 2880. Find the rate of interest.
Answers
Answered by
0
Answer:
Therefore,the rate of interest is 9 percent/annum.
Answered by
2
Answer: The answer is r=9%
Step-by-step explanation:
Simple interest =
100
Principle×rate×time
Total interest =
100
3000×r×4
+
100
8000×r×
2
5
=2880
⇒10r(12+20)=2880
⇒r=
32
288
⇒r=9%
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