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Mathematics 18 Online
OpenStudy (anonymous):

The value of Peter's house has risen 20% a year for the last 3 years. If the value of Peter's home 3 years ago was $90,000, what is the value now?

hero (hero):

90,000 + 20% of 90,000 = new value 90,000 + .2(90,000) = new value 90,000 + 18,000 = 108,000

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