Mathematics, 22.04.2021 04:10 japarisdonalson12

1) Solve. Manny invested $1,200 at a simple interest rate of5%(0.05). How much money would he have after 7 years?

2)Solve.

Approximately how much money would Manny have if he invested $1,200 at an interest rate of 5% for 7 years compounded monthly (12 times a year)?

3) Solve.

If the value of a stock depreciates at 3% a year, what will a $100 investment be worth in 20 years?

4) Solve.

Iodine-131 has a half-life of 8 days. How much would be left of an original 40g sample after 40 days?

5) Use elimination to find the answer, and then choose the correct answer.

A restaurant is offering a special deal on pizza and drinks. You can get 2 large pizzas and 4 large drinks for $16. Or, you can get 4 large pizzas and 7 large drinks for $30. How much would each pizza (p) and each drink (d) cost separately?

Answers: 1

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1) Solve. Manny invested $1,200 at a simple interest rate of5%(0.05). How much money would he have...

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