Question 1134162
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The answer from tutor @Boreal is for a different problem than the given one.  His answer is the amount that must be deposited EVERY QUARTER for 18 years to have a value of $37,000 after 18 years.<br>
This problem is simply a single deposit, earning 2.25% interest (one-fourth of the annual interest rate of 9%) each quarter for 18 years.  The equation is<br>
{{{x(1.0225^72) = 37000}}}<br>
The result of this calculation is the answer shown by the other tutor.