Simplify this expression: 54 + 31 + 7n by the power of 2 - n by the power of 2

6n²  +85

Step-by-step explanation:

Changes made to your input should not affect the solution:

(1): "n2"   was replaced by   "n^2".  1 more similar replacement(s).

(85 +  7n²) -  n²

Interest = Rs 2000

Amount = Rs 7000

Step-by-step explanation:

Amount = Principal + Interest

Given

Principal = Rs 5000

Interest= PRT/100

Interest = 5000*8*5/100

Interest = 50*40

Interest = Rs 2000

Amount after 5years = 5000 + 2000

Amount after 5years = Rs 7000