Raymond B. answered • 2h
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.05x + .07x + .09x = .21x = 1050
x = 1050/.21 = 350/.07 = 50/.01 = 5000
3x = $15,000 = total investment
Varisha K.
asked • 09/07/21Equal amounts are invested at 5%, 7%, and 9% annual interest. If the three investments yield a total of $1,050 annual interest, find the total investment.
Equal amounts are invested at 5%, 7%, and 9% annual interest. If the three investments yield a total of $1,050 annual interest, find the total investment.
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