What is the solution of the following system use the elimination method

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?