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in Linear Equations by (34.9k points)
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Bhagwanti inherited Rs 12000.00. She invested part of it as 10% and the rest at 12%. Her annual income from these investements is Rs 1280.00 How much did she invest at each rate?

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Let one part is Rs x Other part is Rs(12000 - x)

One part of investment = \(x\times\frac{10}{100}=\frac{10x}{100}\)

Other part of investment = (12000 - x)\(\times\frac{12}{100}\) = \(\frac{144000-12x}{100}\)

Total investment = 1280

Therefore one part is Rs 8000 and other part is Rs 4000

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