Investment Account Analysis and Calculations

Mr. Holcomb presents a lesson on investing with rational numbers, focusing on a scenario where Justin and Adrian invest $20,000 for five years, aiming to reach $30,000. The lesson covers investment details, fees, and uses Excel for calculations. It summarizes annual gains/losses, calculates percentage gains, and includes predictions and exercises on working backwards to determine initial balances.

What was the initial amount Justin and Adrian deposited into their investment account?

• $30,000

• $40,000

• $10,000

• $20,000

How often are the semi-annual statements sent to Justin and Adrian?

• Every quarter

• Once a year

• Every month

• Twice a year

What is the fee charged for each semi-annual statement?

• $10

• $20

• $25

• $15

In which year did the investment account experience a loss?

• 2009

• 2008

• 2010

• 2011

What was the ending balance of the investment account in 2012?

• $25,496.55

• $28,118.50

• $30,000.00

• $22,223.47

How much was predicted to be gained in the first half of 2013?

• $1,000

• $800

• $700

• $900

What is the total administrative fee deducted over five years?

• $200

• $150

• $100

• $250

What is the method used to determine the initial balance of an account by analyzing transactions?

• Sideways calculation

• Direct calculation

• Forward calculation

• Backward calculation

If a payment of $65.48 is made, what operation is used to find the previous balance?

• Addition

• Multiplication

• Division

• Subtraction

What was the final calculated beginning balance in the exercise?

• $525.55

• $801.02

• $726.03

• $591.36