The value of a house is estimated to be $80,000 today. If it has increased in value by 7% per year for the last 10 years, what was the value 10 years...

The value of a house is estimated to be $80,000 today. If it has increased in value by 7% per year for the last 10 years, what was the value 10 years ago? If the house had increased in value by 48% over the total 10-year period, what was the annual percentage increase?