2. Fraction
3. -1 & 1/4
4. -5/7
The given matrix represent the following linear system
4x - 7y = -12
-14x + 4y = 4
Good luck!!!
The answer is 3/8
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Given:
Principal = Rs. 2000
Rate of interest = 20% p.a. compounded quarterly.
Time = 1 year
To find:
The compound interest.
Solution:
Formula for amount:

where,
P = Principal
r = Rate of interest
t= Time
n = number of times interest compounded in an year.
Putting P=2000, r=0.2, n=4 and t=1, we get




Now, the compound interest is



Therefore, the compound interest is Rs 431.0125.