Question

9.
(a)
A sum of money amount to R6,200 in 2 years and 7,400 in 3 years. The principal and
rate of interest are
(a) 3,800, 31.57% (b) 3,000, 20% (c) 3,500, 15%
(d) none of these​

Answer 1

Step-by-step explanation:

2year ------6200

3year--------7400

1year -------1200

2year-------2400

P = 6200-2400 = 3800

R = 1200×100/3800×1

= 31.57%

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