Solve the system by using a matrix equation 3x-5y=3 3x-4y=3
2 answers:
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Answer and Step-by-step explanation:
First, you need to make the function to represent the information given.
We start with 70,000 in the account, and have an interest rate of 6.2%.
We want to know how long it will take to get $223,200.
The equation for simple interest is:
A =
Where A is the total amount, P is the principle amount of money, r is the rate, and t is the time.
Now, we plug in the values and solve for t.
t = 0.353
Multiply by 100 to get the years.
t = 35.3
So, it will take Allison 35.3 years to get 70,000 dollars to 223,200 dollar with an interest rate of 6.2%
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