Given:
Principal = <span>£100
Interest rate = 6%
Interest = </span><span>£12
Simple Interest is computed by multiplying the principal by its interest rate and term
Interest = Principal * rate * term
12 = 100 * 0.06 * term
12 = 6 * term
12/6 = term
2 = term
It will take 2 years for </span>£100 to earn <span>£12 at 6%</span>
Answer:

Step-by-step explanation:

take derivative with respect to t

derivative of e^t is e^t
derivative of 0.23t is 0.23

Apply chain rule


11.15 sq. meters is the answer