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Mathematics 7 Online
OpenStudy (anonymous):

An actor invests some money at 8%, and 50,000 more than three times the amount at 9% . The total annual interest earned from the investment is 37,750. How much did he invest at each amount?

OpenStudy (stormfire1):

I think the equation would be: (x*1.08)+((3x+50000) * 1.09) = 37,750

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