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Compound interest

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How long will it take to save $4500 for a down payment on a new car if you make deposits of $250 every 3 months into account yielding 5.3% compounding quarterly?

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Solution Summary

This provides an example of working with compound interest to determine how long it will take to save money.

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Let's check your balance P after every quarter (3 months). Here is the table. The quarterly rate is r = 5.3%/4 = 0.01325

Quarter Balance
1 ...

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