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You invested $28,000 in two accounts paying 7% and 9% annual interest, respectively. If the total interest earned for the year was $2180, how much was invested at each rate?

Sagot :

We are given the following information:

total of $28,000 invested in 2 accounts

7% and 9% interest rates for each account

total interest was $2,180

We are asked to calculate the amount invested at each rate.

To do this, let us first identify our variable and what it stands for. Let us use the variable x to represent the amount invest at 7%. That leaves us t