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bayleegreen
bayleegreen
21.04.2021 • 
Mathematics

Must show work! Four sisters got $3000 each to invest for future higher education plans. The investment will last 8
years.
The table below shows what each sister did with their investment and how it changed over the course of the 8
years:

Performance of Investments Over the
Course of the Competition:

Michelle
$2000 earned 1.2% annual interest compounded monthly
$500 lost 3% over the course of the 8 years
$500 grew, compounded continuously at rate of 0.9% annually

Kristen
$1500 earned 1.2% annual interest compounded quarterly
$1500 gained 3% over the course of 8 years

Gabriella
$3000 grew, compounded continuously at rate of 0.8% annually

Judy
$1000 decreased in value exponentially at a rate of 0.5% annually
$2000 earned 1.8% annual interest compounded biannually (twice a year)

1. What is the balance of Michelle's $3000 after 8 years?

2. What is the balance of Kristen's $3000 after 8 years?

3. What is the balance of Gabriella's $3000 after 8 years?

4. What is the balance of Judy's $3000 after 8 years?

5. Who has the most money at the end of the 8 years?

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