J1 = (525 + 430 + 640 + 540 + 340 + 775 + 600)/7 = 550 The total cost price of A, B, and C = 525 + 430 + 640 = 1595 The total selling price of A, B, and C = 675 + 520 + 700 = 1895 The profit of A, B and C = J2 = 1895 - 1595 = 300 The ratio of J1 and J2 = (550/300) = 11:6
A sum of money doubles itself in 8 years in how many years it will be 5 times?
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