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Sagot :
To solve this problem, we need to calculate the future value of the investment after two years and then compare it to the costs of the items given.
### Step-by-Step Solution:
1. Determine the initial investment, interest rate, and time period:
- Initial investment ([tex]\(P\)[/tex]): \[tex]$1,500 - Annual interest rate (\(i\)): 5% or 0.05 - Time period (\(t\)): 2 years 2. Calculate the future value (\(FV\)) using the formula: \[ \text{FV} = P \times (1 + i)^t \] - Substituting the values: \[ \text{FV} = 1500 \times (1 + 0.05)^2 \] 3. Future value calculation: - First calculate the amount inside the parentheses: \[ 1 + 0.05 = 1.05 \] - Then, raise this to the power of 2: \[ 1.05^2 = 1.1025 \] - Finally, multiply by the initial investment: \[ \text{FV} = 1500 \times 1.1025 = 1653.75 \] - So, the future value after 2 years is \$[/tex]1,653.75.
4. Determine which items can be bought:
- Item A (electronics worth \[tex]$1,650): Yes, because \$[/tex]1,653.75 ≥ \[tex]$1,650. - Item B (fitness equipment worth \$[/tex]1,700): No, because \[tex]$1,653.75 < \$[/tex]1,700.
- Item C (holiday package worth \[tex]$2,000): No, because \$[/tex]1,653.75 < \[tex]$2,000. ### Conclusion: - You can buy electronics worth \$[/tex]1,650.
- You cannot buy fitness equipment worth \[tex]$1,700. - You cannot buy a holiday package worth \$[/tex]2,000.
So, the correct answer is:
A. Electronics worth \$1,650
### Step-by-Step Solution:
1. Determine the initial investment, interest rate, and time period:
- Initial investment ([tex]\(P\)[/tex]): \[tex]$1,500 - Annual interest rate (\(i\)): 5% or 0.05 - Time period (\(t\)): 2 years 2. Calculate the future value (\(FV\)) using the formula: \[ \text{FV} = P \times (1 + i)^t \] - Substituting the values: \[ \text{FV} = 1500 \times (1 + 0.05)^2 \] 3. Future value calculation: - First calculate the amount inside the parentheses: \[ 1 + 0.05 = 1.05 \] - Then, raise this to the power of 2: \[ 1.05^2 = 1.1025 \] - Finally, multiply by the initial investment: \[ \text{FV} = 1500 \times 1.1025 = 1653.75 \] - So, the future value after 2 years is \$[/tex]1,653.75.
4. Determine which items can be bought:
- Item A (electronics worth \[tex]$1,650): Yes, because \$[/tex]1,653.75 ≥ \[tex]$1,650. - Item B (fitness equipment worth \$[/tex]1,700): No, because \[tex]$1,653.75 < \$[/tex]1,700.
- Item C (holiday package worth \[tex]$2,000): No, because \$[/tex]1,653.75 < \[tex]$2,000. ### Conclusion: - You can buy electronics worth \$[/tex]1,650.
- You cannot buy fitness equipment worth \[tex]$1,700. - You cannot buy a holiday package worth \$[/tex]2,000.
So, the correct answer is:
A. Electronics worth \$1,650
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