A mountain climber begins climbing from a camp 2000 feet above sea level. She climbs 150 feet higher every hour.
How many hours would she take to climb to 3650 feet,
above sea level?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio