A and B together starts a business with investment of Rs. 800 and Rs. (x + 600), respectively. If the profit earned after 5 years is Rs.3200 and share of A is Rs.1280, then find the value of ‘x’.
Ratio of share of profit of A:B = 800 : (x + 600) According to question, => [800/(x + 1400)] × 3200 = 1280 => 3200 = 1.6x + 2240 => x = 600
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