answer BOTH questions ASAP and please show your answer and work neatly

William wants to purchase a house in Barrigada that lists for $540,000. If he takes out a conventional loan, what would his minimum down payment be? (Show at least the basic equation to achieve partial credit.) Answer 2 - William successfully purchased his house and has been paying making payments on it for the last 7 years. The balance of his loan is now $367,067.00. He also had an appraisal done and found that his house is now worth $612,000. Calculate his total equity in the house. (Show all factors to achieve partial credit)