House annual price

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Based on the question above may I know whats the answer and how to get the answer. I'm confused whether after 2 years is the 2nd year or the 3rd year. Thanks.

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After two years means $2$ years not $3$ years. Thus you have to raise $(1.08)$ to the second power not the third power.

You need to solve $x(1.08)^2 =139968$ for $x$ to find the original price of the house.