Final answer:
The total amount of Stacy's investment after 3 years with a 4.5% simple interest rate will be $11,350.
Step-by-step explanation:
To calculate the total amount of Stacy's investment after 3 years with a 4.5% simple interest rate, we can use the formula:
Final Amount = Principal + (Principal × Interest Rate × Time)
Plugging in the values, we get:
Final Amount = $10,000 + ($10,000 × 0.045 × 3)
Simplifying the equation, we find that the total amount of Stacy's investment after 3 years will be $10,000 + $1,350 = $11,350.