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Dr. Zaius invests $10,000 in a CD with an annual interest rate of 4% that compounds semi-annually (twice a year). After six months, he rolls over the CD into another CD with an annual interest rate of 6% that also compounds semi-annually. After six months in the second CD, how much does Dr. Zaius have, in dollars?

 Dec 15, 2021
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A fruit company delivers its in two types of boxes: large and small. Delivery of 3 large boxes has a total weight of 153 kilograms. A Delivery of 5 large boxes and 2 small boxes has total weight of 102 kilograms. How much does each type of box weigh?

 Dec 15, 2021
 #2
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Dr. Zaius invests $10,000 in a CD with an annual interest rate of 4% that compounds semi-annually (twice a year). After six months, he rolls over the CD into another CD with an annual interest rate of 6% that also compounds semi-annually. After six months in the second CD, how much does Dr. Zaius have, in dollars?

 

10,000  x  1.02 ==10,200 - principal + interest for the first 6 months.

10,200  x  1.03 ==$10,506 - principal + interest after the second 6-month period.

 Dec 15, 2021

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