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If the length of each of the sides of three square garden's plots is increased by 50 percent, by what percent is the sum the areas of the three plots increased?

If the length of each of the sides of three square garden's plots is increased by 50 percent, by what percent is the sum the areas of the three plots increased? Correct Answer 375%

Let, the length of each side of the garden = 100 Area = 1002 = 10000 Area of 3 square = 3×10000 = 30000 50% increase of length = 100 + 100×50/100 = 150 Area = 1502 = 22500 Area of 3 square = 3×22500 = 67500 Increasing area = 67500 - 30000 = 37500 Percentage = (37500×100)/30000 = 125%

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