A tree increases annually by 1/8th of its height. By how much will it increse after 2 years, if it stands today 64 cm high?	Choose the correct choice from the following answers:  A) 72 cm  B) 74 cm  C) 75 cm  D) 81 cm  E) 83 cm
Increase % = (1/8 x 100)%   = 12 1/2 % = 25/2 %   height after 2 years =(64 x(1+(25/2x100)power of 2)) cm   = (64 x 9/8 x 9/8 ) cm= 81 cm   Answer is 81 cm
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A tree increases annually by 1/8th of its height. By how much will it increse after 2 years, if it stands today 64 cm high?