Question

Mrs. B. invested ¢30,000; part at 5%, and part at 8%. The total interest on the

Answer 1

Answer:

Let p be the amount invested at 8%. Then the amount invested at 5% would be 30,000-p. So:

.08p+.05(30,000-p)=2100

.03p+1500=2100

.03p=600

p=20,000

$20,000 was invested at 8%; $10,000 was invested at 5%

Step-by-step explanation:

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Answer 2

Answer:

30.000 5 por ciento: 1.5

30.000 8 por ciento: 2,4

Step-by-step explanation: