algebra

if an investor invest a total of $1900.00 and one earned 4% and the other 2% and his total profit is $66, how much did he invest in both funds?

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  1. amount invested at 4% ---- x
    amount invested at 2% --- 1900 - x

    solve for x :

    .04x + .02(1900-x) = 66

    (I suggest multiplying each of the three terms by 100 to get rid of those decimals)

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