a) If the price of a train ticket from New York to Washington DC rose by the rate of inflation between 1995 and 2015, how much would a ticket cost in 2015 if it cost $100 in 1995? Instructions: Round your answer to two decimal places. $

b) If the price of a movie ticket did not change in real terms between 2010 and 2015, how much did a ticket cost in 2010 if it cost $12.50 in 2015? Instructions: Round your answer to two decimal places. $