Answer:
- After 20 years, Mrs. Hill is owed $144,000.
Explanation:
- Using PRT/100, we can find the interest Mr. Hill has to pay extra.
- => 80000 x 4 x 20/100
- => 800 x 4 x 20
- => 3200 x 20
- => 64000
- Total amount to pay: $144,000
Conclusion:
Therefore, after 20 years, Mrs. Hill is owed:
Hoped this helped.