A, B and C entered into a partnership by investing in the ratio of 5:2:4. At the end of the year, the total profit is in the ratio of 10:2:8. Find the ratio of period of time they invested in the business.

Ratio of investment = 5:2:4 The ratio of profit = 10:2:8 Ratio of period = ratio of profit/ratio of investment => 10/5 : 2/2 : 8/4 => 2 : 1 : 2

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