Mathematics, 01.12.2020 04:20 greystokey

Solve the following word problem using matrices: Part of $30,000 is invested at 6% yearly interest, another part at 7%, and the remainder at 8% yearly interest. The total yearly interest income from the three investments adds up to $2200. The sum of the amounts invested at 6% and 7% equals the amount of money invested at 8%. How much is invested at each rate?

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Solve the following word problem using matrices: Part of $30,000 is invested at 6% yearly interest,...

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