Mathematics, 01.09.2019 17:00 koolbeast68

Dave started hiking at 120 feet below sea level.
a) if he climbed 750 feet, whats his elevation now ?
b) dave then descended 420 feet in 1 hour. find the average change in elevation per minute.
c)dave started his descent at 4 p. m. use the rate in b) to determine the time he reaches sea level.

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Dave started hiking at 120 feet below sea level.
a) if he climbed 750 feet, whats his elevatio...