lovebrain123
lovebrain123
06.02.2021 • 
Mathematics

an investment of 40000was made by a business club. the investment was split in three parts and last for a year. the first part of the investment earned 8% interest, the second 6%, and the third one 9%. the total interest for the investment was 3600. the interest from the first investment was 4 times the interest from the second. find the amount of the three parts of the investment

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