Question 243373
Interest of $322 is needed from 2 saving accounts. The total amount invested is $7600. Some is invested at 5% and the rest is invested at 4%. How much is invested at each rate?
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Equation:
interest + interest = interest
0.05x + 0.04(7600-x) = 322
Multiply thru by 100 to get:
5x + 4*7600 - 4x = 32200
x = $1800 (amt. invested at 5%)
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7600-x = 7600-1800 = $5800 (amt. invested at 4%)
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Cheers,
Stan H.