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Jose invests money in two simple interest accounts. He invests twice as much in an account paying 10% as he does in an account paying 7%. If he earns $94.50 in interest in one year from both accounts combined, how much did he invest altogether?
Total Principal in Both Accounts = $

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  1. solve for x:

    .1(2x) + .07x = 94.50

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  2. .1(2x)+.07x=94.50
    .2x+.07x=94.50
    .27x=94.50
    Divide $94.50 by .27 to get X.
    x= 350

    Solve for 10%
    2(350)=700

    Add amounts together.
    700+350= $1,050

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