How hot (in both degrees celsius and fahrenheit) can you prepare boiling water to make a cup of tea in the below cities? note: use linear interpolation and values from tables c.1 & b.1 or c.2 and b.2.

a. denver, colorado (5410 ft above sea level)
b. portland, oregon (57 m above sea level)
c. early mountaineers boiled water to estimate their altitude. if they reached the top and found that water boiled at 89°c, approximately how high was the mountain?